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A student decomposed Potassium Chlorate to create oxygen gas. The oxygn was collected by displacement of water at 22 degrees C and the total pressure was 754 torr. The volume of gas collected was .650L. (KClO3 molar weight =122.6 g/mol, O2 Molar weight =32 g/mol)

A) How many moles of oxygen were produced?

B) How many Moles of potassium chlorate were decomposed?

C)The mass of he original sample of potassium chlorate was?

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