Предмет: Химия, автор: pribivshiy2

При взаимодействии диоксида марганца с соляной кислотой было получено 33,6л (н.у.) хлора. Вычислить массу (г) диоксида марганца, вступившего в реакцию. Mr(MnO2)=87

Ответы

Автор ответа: gusmakvlad

MnO2+4HCl=MnCl2+Cl2+2H2O
n(Cl2)=33.6/22.4=1.5 моль=n(MnO2)
m=M*n=87*1.5=130.5 г

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