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ssshevtsovaaa
@ssshevtsovaaa
November 2021
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Помогите решить задачу по химии!!
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Platinum15
Verified answer
Zn + H2O = ZnO +H2
M(Zn) = 65 г/моль
n(Zn) =10/65 = 0.154 моль
M(ZnO) = 81 г/моль
n(ZnO) = n(Zn) = 0.154 моль
m(ZnO) = 0.154*81=12.5 г
n(H2)=n(Zn) = 0.154 моль
V(H2) = 0.154*22.4=3.45 л
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Answers & Comments
Verified answer
Zn + H2O = ZnO +H2M(Zn) = 65 г/моль
n(Zn) =10/65 = 0.154 моль
M(ZnO) = 81 г/моль
n(ZnO) = n(Zn) = 0.154 моль
m(ZnO) = 0.154*81=12.5 г
n(H2)=n(Zn) = 0.154 моль
V(H2) = 0.154*22.4=3.45 л