Предмет: Химия, автор: Hrfs

Вычислите объем газа (н.y.), который выделится при действии избытка сульфида железа (2) на 490г 10%-ного раствора серной кислоты

Ответы

Автор ответа: ssss7777ss

1)m(H2SO4)=490*10%=49г
2)ню(H2SO4)=49/98=0,5моль
3)V(H2S)=0,5*22,4=11,2 л

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