Molar mass of cs2

The molar mass of CS2 comes out to be 76.14 grams per mole. Advertising. In several chemical applications, such as stoichiometry, gas laws, and other physical and chemical characteristics, the molar mass of CS2 is an important factor to consider. In order to compute the number of moles of CS2 present in a certain mass or …

Quick conversion chart of grams CS2 to mol. 1 grams CS2 to mol = 0.01313 mol. 10 grams CS2 to mol = 0.13134 mol. 20 grams CS2 to mol = 0.26267 mol. 30 grams CS2 to mol = 0.39401 mol. 40 grams CS2 to mol = 0.52534 mol. 50 grams CS2 to mol = 0.65668 mol. 100 grams CS2 to mol = 1.31336 mol.On Thursday morning's to-do list I'd written "-nails?" because I knew when writing it, my feelings towards a manicure could go one of two ways when the free tim...The molar mass of a compound is the sum of the molar masses of its constituent elements. In the case of Carbon disulfide (CS2), it's calculated based on the molar masses of Carbon (C) and Sulfur (S). Carbon has a molar mass of approximately 12.01 g/mol and Sulfur has a molar mass of approximately 32.06 g/mol.To determine the amount of CS2 (carbon disulfide) that contains 3.5 kilograms of carbon (C), we need to consider the molar mass and stoichiometry. The molar mass of carbon is approximately 12.01 g/mol. To convert 3.5 kilograms (3500 grams) of carbon to moles, we divide by the molar mass: moles of C = mass of C / molar …Formula: CS 2. Molecular weight: 76.141. IUPAC Standard InChI: InChI=1S/CS2/c2-1-3. Copy Sheet of paper on top of another sheet. IUPAC Standard InChIKey: QGJOPFRUJISHPQ-UHFFFAOYSA-N. Copy Sheet of paper on top of another sheet. CAS Registry Number: 75-15-0. Chemical structure: This structure is also available as a 2d …

All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. ... , On the binding of Electrons to CS2: Possible Role of ...The molar mass and molecular weight of CS2 + O2 is 108.14. ... The first step to finding the molar mass is to count the number of each atom present in a single ... Example: calculating molar mass. Let's calculate the molar mass of carbon dioxide (CO 2): Carbon (C) has an atomic mass of about 12.01 amu. Oxygen (O) has an atomic mass of about 16.00 amu. CO 2 has one carbon atom and two oxygen atoms. The molar mass of carbon dioxide is 12.01 + (2 × 16.00) = 44.01 g/mol. Lesson on computing molar mass Its symbol is mol. One mole of pure carbon-12 has a mass of exactly 12 grams. Molar mass. The molar mass is a physical property, which is defined as the mass of a substance divided by its amount of substance in moles. In other words, it is the mass of one mole of a particular substance. In SI, the unit for molar mass is kg/mol.Do not forget to put the units wherever required. Calculate the Molar mass correctly. Use precision up to two decimal places for approximate value in calculation. Keep in mind the basic stoichiometric concept and unitary method.

This program determines the molecular mass of a substance. Enter the molecular formula of the substance. It will calculate the total mass along with the elemental composition and mass of each element in the compound. Use uppercase for the first character in the element and lowercase for the second character. Examples: Fe, Au, Co, Br, C, O, N, F.Calculate the mass in grams of 0.17 mole of hydrogen sulphide, H 2 S. (Atomic masses : H = 1 u, S = 32 u) View Solution. Q3. Calculate the molecular mass of the following compounds Carbon disulphide, CS 2. Given Atomic …The law of conservation of mass states that matter cannot be created or destroyed, which means there must be the same number atoms at the end of a chemical reaction as at the beginning. To be balanced, every element in CS2 + H2 = CH4 + H2S must have the same number of atoms on each side of the equation.The molar mass will be equal to: (1 atom x 56 grams/mole Fe) + (2 atoms x 35.5 grams/mole of chlorine) = 127 grams/mole of iron (II) chloride. For other compounds, this might get a little bit more complicated. For example, take the example of zinc nitrate, or Zn (NO 3) 2. In this compound, we have one atom of zinc, two atoms of nitrogen (one ...Do a quick conversion: 1 grams Carbon Disulfide = 0.013133580332201 mole using the molecular weight calculator and the molar mass of CS2.

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m (C S X 2) = 1.0 g m(\ce{CS2})=1.0\ \pu{g} m (CS X 2 ) = 1.0 g. In this task, we know the molar heat of vaporization and the mass of carbon disulfide. We have to calculate the required energy for vaporization. The molar heat of vaporization is the energy required to vaporize 1 mol of the compound at constant pressure. Computing molecular weight (molecular mass) To calculate molecular weight of a chemical compound enter it's formula, specify its isotope mass number after each element in square brackets. Examples of molecular weight computations: C[14]O[16]2, S[34]O[16]2. Definitions of molecular mass, molecular weight, molar mass and molar weight The molar mass of CS2 is 76.15 g/mol. To find the number of grams of CS2 in 10.00 mol, we can use the relationship between moles and mass. The formula is: Mass (g) = Moles × Molar mass. So, in this case, the mass of CS2 in 10.00 mol is: Mass = 10.00 mol × 76.15 g/mol = 761.5 g. Therefore, the correct answer is d. 761.5 g.The molar mass of Fe2O3, which is the chemical formula for iron(III) oxide, is 159.68 grams per mole. The molar mass is determined by adding together the atomic weight of each atom...Computing molecular weight (molecular mass) To calculate molecular weight of a chemical compound enter it's formula, specify its isotope mass number after each element in square brackets. Examples of molecular weight computations: C[14]O[16]2, S[34]O[16]2. Definitions of molecular mass, molecular weight, molar mass and molar weight

All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. ... , A Study of the Chemiionization Process CS2*(n) + CS2 ---> CS3+ + CS + e- Using the Molecular Beam Photoionization … The molar mass will be equal to: (1 atom x 56 grams/mole Fe) + (2 atoms x 35.5 grams/mole of chlorine) = 127 grams/mole of iron (II) chloride. For other compounds, this might get a little bit more complicated. For example, take the example of zinc nitrate, or Zn (NO 3) 2. In this compound, we have one atom of zinc, two atoms of nitrogen (one ... To determine the amount of CS2 (carbon disulfide) that contains 3.5 kilograms of carbon (C), we need to consider the molar mass and stoichiometry. The molar mass of carbon is approximately 12.01 g/mol. To convert 3.5 kilograms (3500 grams) of carbon to moles, we divide by the molar mass: moles of C = mass of C / molar …100 g of liquid A (molar mass 140 g m o l − 1) was dissolved in 1000 g of liquid B (molar mass 180 g m o l − 1). The vapour pressure of pure liquid B was found to be 500 torr. Calculate the vapour pressure of pure A and its vapour pressure in the solution if the total vapour pressure of the solution is 475 torr.Types of Teeth - There are different types of teeth and different ways of naming them. Learn about types of teeth, tooth surfaces and the Universal System of naming them. Advertise...To determine the mass of SO2 formed, we need to use the concept of stoichiometry. First, calculate the moles of CS2 and O2 using their molar masses. Then, determine the limiting reactant and use the stoichiometric coefficients from the balanced equation to find the moles of SO2 formed. Finally, convert the moles of SO2 to grams using its molar ...The Science of a Scandal: Real-world Mass Spectrometry - Real-world mass spectrometry is a term related to mass spectrometry. Learn about real-world mass spectrometry. Advertisemen...Click here👆to get an answer to your question ️ Calculate the molecular masses of the following compounds:(a) Hydrogen sulphide, H2S (b) Carbon disulphide, CS2 (Atomic masses: H = 1u , S = 32u, C = 12u)Find the molar masses of carbon (C), hydrogen (H), and oxygen (O). Count the number of atoms of each element in the compound. Find the molar mass of glucose by multiplying the atomic masses of the atoms and their number, then find the sum: μ = 6 × 12.01 g/mol + 12 × 1.0079 g/mol + 6 × 16 g/mol = 180.1548 g/mol.The molar mass of an element is the mass of one a) atom of the element. b) liter of the element. C) gram of the element. d) mole of the element. ... The molar mass of CS2 is 76.14 g/mol. How many grams of CS2 are present in 10.00 mol? 12) The molar mass of NH3 is 17.03 g/mol.

The law of conservation of mass states that matter cannot be created or destroyed, which means there must be the same number atoms at the end of a chemical reaction as at the beginning. To be balanced, every element in CS2 + NaOH = Na2CS3 + Na2CO3 + H2O must have the same number of atoms on each side of the equation.

Computing molar mass step by step. First, compute the number of each atom in Cs 2 SO 4: Cs: 2, S: 1, O: 4. Then, lookup atomic weights for each element in periodic table: Cs: 132.9054519, S: 32.065, O: 15.9994. Now, compute the sum of products of number of atoms to the atomic weight: Molar mass (Cs 2 SO 4) = ∑ Count i * Weight i =.Molar mass is the amount of mass in one mole of a substance. A mole is used in chemistry as a counting unit indicating the amount of ions, atoms, molecules or formula units in a sp...Since there is an equal number of each element in the reactants and products of CS2 + O2 = CO2*S02, the equation is balanced. Balance CS2 + O2 = CO2*S02 Using Inspection The law of conservation of mass states that matter cannot be created or destroyed, which means there must be the same number atoms at the end of a chemical reaction as at the ...0.12 mol SO2 * 1CS2 / 2SO2 = 0.060 mol CS2 produced by SO2. Since SO2 made the least amount of product, it is the limiting reactant. We won’t produce 0.12 mol CS2 because SO2 limits us to making only 0.060 mol CS2. We can only use 0.06 mol for future calculations. Lastly, convert moles to grams or product. moles * molar mass = grams. …To determine the mass of SO2 formed, we need to use the concept of stoichiometry. First, calculate the moles of CS2 and O2 using their molar masses. Then, determine the limiting reactant and use the stoichiometric coefficients from the balanced equation to find the moles of SO2 formed. Finally, convert the moles of SO2 to grams …Relative molecular weight of CS2: 76.1407 Molar mass of CS2: 76.1407 g/mol (0.07614 kg/mol)Aug 22, 2023 · The molar mass of a compound is the sum of the molar masses of its constituent elements. In the case of Carbon disulfide (CS2), it's calculated based on the molar masses of Carbon (C) and Sulfur (S). Carbon has a molar mass of approximately 12.01 g/mol and Sulfur has a molar mass of approximately 32.06 g/mol. 22 Jul 2015 ... Roxi Hulet•41K views · 2:19. Go to channel · ALEKS: Interconverting molar mass and density. Roxi Hulet•24K views · 17:23. Go to channel ·...Do a quick conversion: 1 grams Carbon Disulfide = 0.013133580332201 mole using the molecular weight calculator and the molar mass of CS2. Convert grams Carbon Disulfide to moles - Conversion of Measurement Units. ... Finding molar mass starts with units of grams per mole (g/mol). When calculating molecular weight of a chemical compound, it ...

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Quick conversion chart of grams CS2 to mol. 1 grams CS2 to mol = 0.01313 mol. 10 grams CS2 to mol = 0.13134 mol. 20 grams CS2 to mol = 0.26267 mol. 30 grams CS2 to mol = 0.39401 mol. 40 grams CS2 to mol = 0.52534 mol. 50 grams CS2 to mol = 0.65668 mol. 100 grams CS2 to mol = 1.31336 mol.100 g of liquid A (molar mass 140 g mol −1) was dissolved in 1000 g of liquid B (molar mass 180 g mol −1).The vapour pressure of pure liquid B was found to be 500 torr. Calculate the vapour pressure of pure liquid A and its vapour pressure in the solution if the total vapour pressure of the solution is 475 Torr.Find the molar masses of carbon (C), hydrogen (H), and oxygen (O). Count the number of atoms of each element in the compound. Find the molar mass of glucose by multiplying the atomic masses of the atoms and their number, then find the sum: μ = 6 × 12.01 g/mol + 12 × 1.0079 g/mol + 6 × 16 g/mol = 180.1548 g/mol.To determine the mass of SO2 formed, we need to use the concept of stoichiometry. First, calculate the moles of CS2 and O2 using their molar masses. Then, determine the limiting reactant and use the stoichiometric coefficients from the balanced equation to find the moles of SO2 formed. Finally, convert the moles of SO2 to grams using its molar ...Formula: CS 2. Molecular weight: 76.141. IUPAC Standard InChI:InChI=1S/CS2/c2-1-3 Copy. IUPAC Standard InChIKey:QGJOPFRUJISHPQ-UHFFFAOYSA-N Copy. CAS Registry Number: 75-15-0. Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file The 3d structure may be viewed using Java or Javascript .Enter a chemical formula to calculate its molar mass and elemental composition: Molar mass of CS2 (Carbon disulfide) is 76.1407 g/mol. Get control of 2022! Track your food intake, exercise, sleep and meditation for free. Convert between CS2 weight and moles. Compound.Formula: CS 2. Molecular weight: 76.141. IUPAC Standard InChI:InChI=1S/CS2/c2-1-3 Copy. IUPAC Standard InChIKey:QGJOPFRUJISHPQ-UHFFFAOYSA-N Copy. CAS …The molar mass of a compound is the sum of the molar masses of its constituent elements. In the case of Carbon disulfide (CS2), it's calculated based on the molar masses of Carbon (C) and Sulfur (S). Carbon has a molar mass of approximately 12.01 g/mol and Sulfur has a molar mass of approximately 32.06 g/mol. ….

Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol. Mole is a standard scientific unit for measuring large quantities of very small entities such as atoms and molecules. One mole contains exactly 6.022 ×10 23 particles (Avogadro's number)23 May 2012 ... The clear liquid is carbon disulfide. It is composed of carbon (black solid) and sulfur (yellow solid). If carbon disulfide contains one ...Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol. Mole is a standard scientific unit for measuring large quantities of very small entities such as atoms and molecules. One mole contains exactly 6.022 ×10 23 particles (Avogadro's number)Molar mass calculator computes molar mass, molecular weight and elemental composition of any given compound. Printed from https://www.webqc.org ... Convert between CS2(I2) weight and moles. Compound Moles Weight, g; CS2(I2) Elemental composition of CS2(I2) Element Symbol Atomic weight Atoms Mass percent; Carbon: C: 12.0107: 1: 3.6402: …Click here👆to get an answer to your question ️ Calculate the molecular masses of the following compounds:(a) Hydrogen sulphide, H2S (b) Carbon disulphide, CS2 (Atomic masses: H = 1u , S = 32u, C = 12u)Question: Using standard the thermodynamic properties shown below estimate the normal boiling point of carbon disulfide (CS2). Sº Molar Mass (g/mol) 76.143 76.143 AH (kJ/mol) 115.3 [J/mol K)] 237.8 AG kJ/mol) 65.1 CS2(8) CS2(8) 87.9 151.0 63.6 1st attempt See Period °C = normal boiling point of CS, Name the compound CF4. Carbon Tetraflouride. The molar mass of an element is the mass of one. Mole of the element. The molar mass of MgI2 is. The sum of the masses of 1 mol of Mg and 2 mol of I. The molar mass of CS2 is 76.15 g/mol. How many grams of CS2 are present in 10.00 mol? 761.5 g. 17 Dec 2023 ... Go to channel · A solution contains 5.85 g NaCl (Molar Mass =58.5gmol–1) per litre of solution.It has an osmotic--. DHARMA PYQs•741 views · 6:41.Cs molecular weight. Molar mass of Cs = 132.90545 g/mol. Convert grams Cs to moles. Molar mass of cs2, Molar mass of CS2(s) is 76.1407 g/mol. Get control of 2022! Track your food intake, exercise, sleep and meditation for free. Convert between CS2(s) weight and moles. Compound. Moles., Jan 18, 2024 · Find the molar masses of carbon (C), hydrogen (H), and oxygen (O). Count the number of atoms of each element in the compound. Find the molar mass of glucose by multiplying the atomic masses of the atoms and their number, then find the sum: μ = 6 × 12.01 g/mol + 12 × 1.0079 g/mol + 6 × 16 g/mol = 180.1548 g/mol. , This program determines the molecular mass of a substance. Enter the molecular formula of the substance. It will calculate the total mass along with the elemental composition and mass of each element in the compound. Use uppercase for the first character in the element and lowercase for the second character. Examples: Fe, Au, Co, Br, C, O, N, F., Find the molar masses of carbon (C), hydrogen (H), and oxygen (O). Count the number of atoms of each element in the compound. Find the molar mass of glucose by multiplying the atomic masses of the atoms and their number, then find the sum: μ = 6 × 12.01 g/mol + 12 × 1.0079 g/mol + 6 × 16 g/mol = 180.1548 g/mol., Formula in Hill system is CS2: Computing molar mass (molar weight) To calculate molar mass of a chemical compound enter its formula and click 'Compute'. In chemical formula you may use: Any chemical element. Capitalize the first letter in chemical symbol and use lower case for the remaining letters: Ca, Fe, Mg, Mn, S, O, H, C, N, Na, K, Cl, Al., Molar mass of CS2(s) is 76.1407 g/mol. Get control of 2022! Track your food intake, exercise, sleep and meditation for free. Convert between CS2(s) weight and moles. Compound. Moles. , This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Question: Be sure to answer all parts. Calculate the molar mass of the following substances: (a) Li2CO3 g/mol (b) KNO3 g/mol (c) Mg3N2 g/mol. Be sure to answer all parts., Computing molecular weight (molecular mass) To calculate molecular weight of a chemical compound enter it's formula, specify its isotope mass number after each element in square brackets. Examples of molecular weight computations: C[14]O[16]2, S[34]O[16]2. Definitions of molecular mass, molecular weight, molar mass and molar weight , Molar mass calculator computes molar mass, molecular weight and elemental composition of any given compound. Printed from https://www.webqc.org ... Convert between Cs2[B12H12] weight and moles. Compound Moles Weight, g; Cs2[B12H12] Elemental composition of Cs2[B12H12] Element Symbol Atomic weight Atoms Mass percent; …, Molar mass calculator computes molar mass, molecular weight and elemental composition of any given compound. Printed from https://www.webqc.org ... Convert between Cs2(C2O4) weight and moles. Compound Moles Weight, g; Cs2(C2O4) Elemental composition of Cs2(C2O4) Element Symbol Atomic weight Atoms Mass percent; …, Question: A solution contains 3.95 g of carbon disulfide (CS2, molar mass = 76.13 g/mol) and 2.43 g of acetone ( (CH3)2CO, molar mass = 58.08 g/mol). The vapor pressure of pure carbon disulfide and acetone at 35C are 515 torr and 332 torr, respectively. Assuming ideal solution behavior, calculate the vapor pressure of each of the components and ..., 2 Jan 2019 ... In order to calculate the formal charges for CS2 we'll use the equation: Formal charge = [ ... CS2. How to ... VSEPR Theory and Molecular Geometry., Molar Mass, Molecular Weight and Elemental Composition Calculator. Enter a chemical formula to calculate its molar mass and elemental composition: Molar mass of CS2 (aq) is 76.1407 g/mol. Get control of 2022! Track your food intake, exercise, sleep and meditation for free. Convert between CS2 (aq) weight and moles. Compound., 分子质量（英文名Molecular mass或molecular weight)是一种物质的一个分子的质量，使用统一原子质量单位（U）表示。 （1 u等于一个碳 - 12原子质量的1/12） 摩尔质量（英文名Molar mass或molar weight）是一摩尔化学元素或者化合物的质量，单位g/mol。, Computing molecular weight (molecular mass) To calculate molecular weight of a chemical compound enter it's formula, specify its isotope mass number after each element in square brackets. Examples of molecular weight computations: C[14]O[16]2, S[34]O[16]2. Definitions of molecular mass, molecular weight, molar mass and molar weight, Molar mass is defined as the mass of one mole of representative particles of a substance. By looking at a periodic table, we can conclude that the molar mass of lithium is 6.94 g, the molar mass of zinc is 65.38 g, and the molar mass of gold is 196.97 g. Each of these quantities contains 6.02 × 10 23 atoms of that particular element., CS2 Molar Mass CS2 Oxidation Number. Thermodynamics. Thermodynamics of the reaction can be calculated using a lookup table. Choose Compound States. C. S. CS2. Change States. Enthalpy Calculator. Is the Reaction Exothermic or Endothermic? C (g) 1 mol: 716.681544 kJ/mol-716.681544 kJ: S (s rhombic) 2 mol ..., Do a quick conversion: 1 grams Carbon Disulfide = 0.013133580332201 mole using the molecular weight calculator and the molar mass of CS2., Computing molecular weight (molecular mass) To calculate molecular weight of a chemical compound enter it's formula, specify its isotope mass number after each element in square brackets. Examples of molecular weight computations: C[14]O[16]2, S[34]O[16]2. Definitions of molecular mass, molecular weight, molar mass and molar weight , Do a quick conversion: 1 grams Carbon Disulfide = 0.013133580332201 mole using the molecular weight calculator and the molar mass of CS2. Convert grams Carbon Disulfide to moles - Conversion of Measurement Units. ... Finding molar mass starts with units of grams per mole (g/mol). When calculating molecular weight of a chemical compound, it ..., The PublicidadPixelada weblog has a 7-step tutorial for installing industry-standard graphics editor Adobe Photoshop CS2 on Ubuntu using Wine (a project that lets Linux users run a..., Computing molar mass step by step. First, compute the number of each atom in Cs 2 SO 4: Cs: 2, S: 1, O: 4. Then, lookup atomic weights for each element in periodic table: Cs: 132.9054519, S: 32.065, O: 15.9994. Now, compute the sum of products of number of atoms to the atomic weight: Molar mass (Cs 2 SO 4) = ∑ Count i * Weight i =. , Enter a chemical formula to calculate its molar mass and elemental composition: Molar mass of carbon disulfide (CS 2) is 76.1407 g/mol. Get control of 2022! Track your food intake, exercise, sleep and meditation for free. Convert between CS2 …, Question: Using standard the thermodynamic properties shown below estimate the normal boiling point of carbon disulfide (CS2). Sº Molar Mass (g/mol) 76.143 76.143 AH (kJ/mol) 115.3 [J/mol K)] 237.8 AG kJ/mol) 65.1 CS2(8) CS2(8) 87.9 151.0 63.6 1st attempt See Period °C = normal boiling point of CS, , 17.A solution containing 28 gm phosphorus in 315g of CS2 ( b.t. 46.3 degree C) boils at 47.98 degree C. Kb for CS2 is 2.34 K/molKg. Calculate the molecular weight of Phosphorus and deduce its molecular formula., Do a quick conversion: 1 moles Carbon Disulfide = 76.1407 gram using the molecular weight calculator and the molar mass of CS2. Convert moles Carbon Disulfide to grams - Conversion of Measurement Units. ... Finding molar mass starts with units of grams per mole (g/mol). When calculating molecular weight of a chemical compound, it tells us how ..., We will approach this problem by calculating the molar mass of carbon disulfide which will be used to calculate the mass of carbon disulfide using equation (1). Carbon disulfide, C S X 2 \ce{CS2} CS X 2 , is composed of 1 carbon and 2 sulfur atoms. Given data: A (C) = 12.01 g / m o l A(\ce{C})=\pu{12.01g/mol} A (C) = 12.01 g / mol, 17.A solution containing 28 gm phosphorus in 315g of CS2 ( b.t. 46.3 degree C) boils at 47.98 degree C. Kb for CS2 is 2.34 K/molKg. Calculate the molecular weight of Phosphorus and deduce its molecular formula. Assume its complete association. (Atomic weight of P is 31), Computing molecular weight (molecular mass) To calculate molecular weight of a chemical compound enter it's formula, specify its isotope mass number after each element in square brackets. Examples of molecular weight computations: C[14]O[16]2, S[34]O[16]2. Definitions of molecular mass, molecular weight, molar mass and molar weight, Theoretical Yield. Percent Yield. Uses the formula of a reactant to determine molar mass. Enter formulas with proper capitalization and unpack brackets. Examples: CuCl2 => …, Do not forget to put the units wherever required. Calculate the Molar mass correctly. Use precision up to two decimal places for approximate value in calculation. Keep in mind the basic stoichiometric concept and unitary method., Example: calculating molar mass. Let's calculate the molar mass of carbon dioxide (CO 2): Carbon (C) has an atomic mass of about 12.01 amu. Oxygen (O) has an atomic mass of about 16.00 amu. CO 2 has one carbon atom and two oxygen atoms. The molar mass of carbon dioxide is 12.01 + (2 × 16.00) = 44.01 g/mol. Lesson on computing molar mass, Mass spectrum (electron ionization) Gas Chromatography; Data at other public NIST sites: Electron-Impact Ionization Cross Sections (on physics web site) Computational Chemistry Comparison and Benchmark Database; Gas Phase Kinetics Database; X-ray Photoelectron Spectroscopy Database, version 5.0; Options: Switch to calorie-based units