Ответ:
Mr(HPO3)=1+31+48=80 г/моль
w(O)=3*Ar(O)/Mr(HPO3)=48/80=0,6; 60%
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Ответ:
Mr(HPO3)=1+31+48=80 г/моль
w(O)=3*Ar(O)/Mr(HPO3)=48/80=0,6; 60%