Oxygen Can Be Prepared in the Lab by Heating Potassium $\rarr$

question 21

Multiple Choice

Oxygen can be prepared in the lab by heating potassium chlorate in the presence of a catalyst.The reaction is 2KClO₃ $\rarr$ 2KCl + 3O₂.How many moles of O₂ could be obtained from one mole of KClO₃?

• A) 1.5
• B) 3.0
• C) 1.0
• D) 2.0

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