m(AgNO3)=70×0,3=21г
m(AgNO3)=21+30=51г
m(ppa)=70+30=100г
w(AgNO3)=51:100=0,51=51%
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m(AgNO3)=70×0,3=21г
m(AgNO3)=21+30=51г
m(ppa)=70+30=100г
w(AgNO3)=51:100=0,51=51%