Предмет: Химия, автор: nastia990

какой максимальный объем водорода (н.у.) может быть вытеснен натрием из 230 г муравьиной кислоты?

Ответы

Автор ответа: 55Lord55
0

Дано:

m(HCOOH)=230г

Найти;V(H2)=?

Решение;

2HCOOH+2Na=2HCOONa+H2

M(HCOOH)=1+12+32+1=46 г/моль

n(HCOOH)=m/M=230/46=5моль

n(H2)=0,5n(HCOOH) по уравнению реакции

n(H2)=2,5 моль

V(H2)=n*Vm=2,5*22.4=56 литров

Ответ:56л

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