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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!.
You are given pressure volume and temperature, use ideal gas equation to calculate moles of nitrogen remember that the data will provide you the moles of nitrogen as pressure exerted by solution is negligible as compared to nitrogen now multiply this molar quantity with 14 to get mass of nitrogen and then finally take the ratio of this amount upon ...