July 2021 0 5 Report
Смешали 200г 10%-ного раствора хлорида меди(II) и 200г 5%-ного раствора сульфида калия. Определите массовую долю хлорида калия в растворе. В ответе =3.5%.
!+вопрос : нужно ли из общей массы раствора вычитать осадок CuS?
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