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Chemistry, 01.09.2019 04:30 sunshine52577oyeor9

Saltpeter is a compound made of potassium(k), nitrogen(n), and oxygen(o). every 100.0g of saltpeter contains 38.67g potassium and 13.86g nitrogen. what is the mass of oxygen contained in 285.0mg of saltpeter? answer needs to be in grams

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Saltpeter is a compound made of potassium(k), nitrogen(n), and oxygen(o). every 100.0g of saltpeter...

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