(Answered) Solid potassium chlorate forms oxygen o2 gas and solid

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Solid potassium chlorate forms oxygen (O2) gas and solid potassium chloride when heated.

2 KClO3 = 3 O2 + 2 KCl

a. How many grams of oxygen gas are formed when 15.2 g of potassium chlorate is heated?

b. If only 4.5 g of Oxygen gas are recovered, what is the percent yield of this reaction?

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