Предмет: Химия, автор: kimberlly

какое количество цинка в граммах потребуется для реакции если при взаимодейтвии его с соляной кислотой выделится 4.4-л водорода при н. у.

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Автор ответа: Диборан

Zn+2HCl=ZnCl2+H2 n(H2)=V(H2):Vm(H2)=4,4/22,4=0.196 моль m(Zn)=n(Zn)*M(Zn)=0.196*65=12,74 грамм

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