CHEMISTRY · Subjective · A Level · Chemistry · Amount of substance · Amount of substance
Problem
Two separate samples are prepared: (i) 12.0 g of C(s) and (ii) 24.0 g of Mg(s). Atomic masses: C = 12.0 g mol⁻¹, Mg = 24.3 g mol⁻¹. Identify which sample contains the greater number of atoms.