Consider the decomposition reaction that occurs when potassi…

Cоnsider the decоmpоsition reаction thаt occurs when potаssium chlorate is heated:  2KClO3 (s)  ​⟶   2KCl (s)  +  3O2 (g)​ When 0.150 mol KClO3 is heated 0.172 mol of O2 is actually collected. What is the percent yield (in %) of O2?