Consider the thermal decomposition of potassium chlorate.
2 KClO3(s) ---> 2 KCl(s) + 3 O2(g)
A mixture containing KCl and KClO3 weighing 1.80 g was heated producing
1.40 x 102 mL of O2 gas at STP. What percent of the original mixture was KClO3?
1 answer