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Автор - madridboy

Сколько и какой газ образуется при растворении 345 гр платины в царской воде?

Ответ

Автор - Ani1997
3 Pt + 4 HNO3 + 12 HCl = 3 PtCl4 + 4 NO + 8 H2O
n(Pt)=345/195=1,76 моль
n(NO)=2,35 моль
газ-
NO

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