P2O5+3Na2O=2Na3PO4
n(P2O5)=35.5/142=0.25моль
n(Na3PO4)=2n(P2O5)=0.5моль
m(Na3PO4)=0.5*164=82грамма
W(вых)=65,6/82=80%
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P2O5+3Na2O=2Na3PO4
n(P2O5)=35.5/142=0.25моль
n(Na3PO4)=2n(P2O5)=0.5моль
m(Na3PO4)=0.5*164=82грамма
W(вых)=65,6/82=80%