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Molar mass nitrogen ( N2 ) = 28.02 g/mol. 1 mol N2 -------> 28.02 g. 4.60 mol ---------> x g. x = 4.60 * 28.02. x = 129 g of N2. hope this helps!.
Chapter 3 8 Molar Mass â¢ The atomic mass of any substance expressed in grams per mole (g/mol) is the molar mass (MM) of that substance.â¢ If the atomic mass of iron is 55.85 amu, then the molar mass of iron is 55.85 g/mol. Molar Mass = Mass mole m= n.