A 49 gram sample of impure potassium nitrate kno3 was, Ask an Expert

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A 49 gram sample of impure potassium nitrate (KNO3) was heated to complete decomposition according to the equation 2 KNO3(s) → 2 KNO2(s) + O2(g) After the reaction was complete, the volume of the dry gas produced was 3 liters at 79.7?C and 786 torr. How many grams of KNO3 were present in the original sample? (Assume that only the potassium nitrate had decomposed.)Answer in units of grams

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Category:- Chemistry
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