Zn(OH)2+2HCl+2H2O m(Zn(OH)2)=4.5гM=65.5+(16+1)*2=99.5n= m/M=4.5/99.5=0.045мольm(HCl)=n*M=2*0.045*(1+35.5)=3,285г
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Zn(OH)2+2HCl+2H2O
m(Zn(OH)2)=4.5г
M=65.5+(16+1)*2=99.5
n= m/M=4.5/99.5=0.045моль
m(HCl)=n*M=2*0.045*(1+35.5)=3,285г