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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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