Question: Oxygen can be prepared by heating potassium chlorate, KClO3, with manganese dioxide as a catalyst. The reaction is How many moles of O2 would be

Oxygen can be prepared by heating potassium chlorate, KClO3, with manganese dioxide as a catalyst. The reaction is

How many moles of O2 would be obtained from 1.300 g KClO3? If this amount of O2 were collected over water at 23oC and at a total pressure of 745 mmHg, what volume would it occupy?

2KCIO,(s) Mao, 2KCI(

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