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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!.
The molar mass of a chemical compound is found by the sum of the atomic masses of its individual atoms. Water, of H2O is made up of 2 hydrogen atoms and 1 oxygen atom. The molar mass of hydrogen is 1.008, and the molar mass of oxygen 16.