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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!.
1. 1 Calculate the molar mass of the dissolved compound. Molar mass is calculated as the sum of mass of all atoms in the molecule. Atomic weights of corresponding elements are given in the periodic table of the chemical elements. In our example it would be: Molar mass (NaCl)=M(Na)+M(Cl)=23+35.5=58.5 g/mole.