Предмет: Химия, автор: vikentye

вычислить массу сульфата калия, который образуется при взаимодействии 4 моль калия с серной кислотой

Ответы

Автор ответа: nb18011989

Са(ОН)2 + H2SO4 = CaSO4 = H2O n( кислот. ) = m/M = 98 / 98г/моль = 1моль m = n*M = 1моль * 136 г/моль = 136 граммОтвет: m = 136 грамм

Автор ответа: vikentye

там калий, а не кальций, исправьте

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