Oxygen Can Be Prepared in the Lab by Heating Potassium

question 50

Multiple Choice

Oxygen can be prepared in the lab by heating potassium chlorate in the presence of a catalyst. The reaction is 2KClO₃ → 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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