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1. Small samples of oxygen gas needed in the laboratory can be generated by a number of simple chemical reactions, such as

2 KClO3 → 2 KCl + 3 O2

According to this balanced chemical equation, how many moles of oxygen gas are produced from the reaction of one mole of KClO3? How many grams of O2 are produced?

2. Small samples of oxygen gas needed in the laboratory can be generated by a number of simple chemical reactions, such as

2 KClO3 → 2 KCl + 3 O2

According to this balanced chemical equation, how many moles of oxygen gas are produced from the reaction of 245 grams of KClO3? How many grams of O2 are produced?

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