Calcium nitride contains 81.1% by mass of the metal. Calculate the empirical formula of calcium nitride. Show your working.
Ca NPercentage: 81.1% 18.9%Relative atomic mass: 40.1 14Ratio: (81.1/40.1) (18.9/14) 2.02 : 1.35 1.5:1 3:2Empirical formula: Ca3N2
LC