271g溶液中:m(Na2SO3)=271*35.5/135.5=71g;m(H2O)=271-71=200g
析出晶体中:m(Na2SO3)=79.5*126/252=39.75g;m(H2O)=39.75g
10度:S=100*(71-39.75)/(200-39.75)=19.5g/100gH2O
271g溶液中:m(Na2SO3)=271*35.5/135.5=71g;m(H2O)=271-71=200g
析出晶体中:m(Na2SO3)=79.5*126/252=39.75g;m(H2O)=39.75g
10度:S=100*(71-39.75)/(200-39.75)=19.5g/100gH2O