how to calculate percent error for mole ratio?
Calculate your percent error for the mole ratios. Percent error = (Experimental – Theoretical)/(Theoretical) x 100% Experimental = (0.014 mol Fe/0.015 mol Cu) x 100% = 93% Theoretical = (1 mol Fe/1 mol Cu) x 100% = 100% Percent error = (93%-100%)/(100%) x 100% = -7% 4.