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The compound KClO3 decomposes according to the following equation: 2KClO3 --> 2KCl + 3O2

a) What is the mole ratio of KClO3 to O2 in this reaction? 

b) How many moles can be produced by letting 6.0 moles of KClO3 react based on the above equation? 

c) How many molecules of oxygen gas, O2, can be produced in question b)?

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