x г 78.1г
2H2O2=2H2O+O2
2*34г 2*18г
м(Н2О2)=(2*34* 78.1)/2*18=147.5г
м(раствора)=80+147.5=227.5г
w(H2O2)=147.5/227.5=0.648 или 64.8%
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x г 78.1г
2H2O2=2H2O+O2
2*34г 2*18г
м(Н2О2)=(2*34* 78.1)/2*18=147.5г
м(раствора)=80+147.5=227.5г
w(H2O2)=147.5/227.5=0.648 или 64.8%