Предмет: Химия, автор: nastya201377

Сероводород пропустили через 200г раствора сульфата меди (II) (массовая доля CuSO4 равна 18%). Вычислите массу осадка, выпавшего в результате этой реакции.

Ответы

Автор ответа: svetlanavpopk

0

H2S+CuSO4=H2SO4+CuS-осадок mCUsO4=200*18/100=36г nCuSO4=36/Mr(144)=0,25 моль nCuS=nCuSO4=0,25моль по уравнению mCuS=0,25*Mr(96)=24г

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