Объяснение:
Mr(P2O5)=2×31+5×16=142
Mr(P2O3)=2×31+3×16=110
W(O5)=80/142=0,56
W(O3)=48/110=0,44
P2O5>P2O3
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Объяснение:
Mr(P2O5)=2×31+5×16=142
Mr(P2O3)=2×31+3×16=110
W(O5)=80/142=0,56
W(O3)=48/110=0,44
P2O5>P2O3