Предмет: Химия, автор: Nanichek

1.К раствору, содержащему 7,2г сульфата меди (2), прибавили раствор, содержащий 2,34г сульфида натрия . Определите массу выпавшего осадка

Ответы

Автор ответа: Krkrkrkrkrr

CuS-осадок
ню для CuSO4=0,05
ню для Na2S=0,03
Na2S-недостаток
ню для CuS=0,03
m(CuS)=0,03*95,5=2,9

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