2 KClO3(s) → 2 KCl(s) + 3 O2(g) Determine the mass

CHEMISTRY · Subjective · A Level · Chemistry · Amount of substance · Amount of substance

Problem

2 KClO3(s) → 2 KCl(s) + 3 O2(g) Determine the mass, in grams, of O2(g) generated when 0.250 mol of KClO3(s) decomposes completely.