m(H2O)=n(H2O)×M(H2O)=20×18=360г
m(HCl)=n(HCl)×M(HCl)=2,5×36,4=91г
m(ppa)=m(H2O)+m(HCl)=360+91=451г
ω(HCl)=m(HCl)÷m(ppa)×100%=91:451×100%=20,18%
m(H2O)=n(H2O)×M(H2O)=20×18=360г
m(HCl)=n(HCl)×M(HCl)=2,5×36,4=91г
m(ppa)=m(H2O)+m(HCl)=360+91=451г
ω(HCl)=m(HCl)÷m(ppa)×100%=91:451×100%=20,18%