Ответ:
2H3PO4+6Na=2Na3PO4+3H2
m(H3PO4)=300×0.25=75г
n(H3PO4)=75/98=0.76моль
n(H2)=1.14моль
V(H2)=1.14×22.4=25.536
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Ответ:
2H3PO4+6Na=2Na3PO4+3H2
m(H3PO4)=300×0.25=75г
n(H3PO4)=75/98=0.76моль
n(H2)=1.14моль
V(H2)=1.14×22.4=25.536