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answers
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Answer it!
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2HNO3 + K2CO3 = 2KNO3 + H2O + CO2
HNO3 + KOH = KNO3 + H2O
Or if you don't have nitric acid, than you can make it from other nitrates.
2XNO3 + K2CO3 = 2KNO3 + XCO3
You can get 95% pure KNO3 with recrystallization.
Or you can make som KNO3 from urine, it is written on wikipedia. It takes long time and it is disguisting.
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