Question

Compound is made up of 2.07g of lead and 0.32 of oxygen. Determine it empirical formula given R.A.M lead pb,207 and oxygen 016

Answer 1

mol Pb = 2.07 : 207 = 0.01

mol O = 0.32 : 16 = 0.02

Pb : O = 1 : 2

Emperical formula = PbO₂