n(H3PO4)= 19.6/98=0.2 МОЛЬ . n(O3)= 0.2*4=0.8 моль. n(o)=16*0.8 = 12.8 г УДАЧИ
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n(H3PO4)= 19.6/98=0.2 МОЛЬ . n(O3)= 0.2*4=0.8 моль. n(o)=16*0.8 = 12.8 г УДАЧИ