1) "%=frac\\{};{}""Cm (KCl)=\\frac{m(solute)}{m(solute)+m(solvent)}\u22c5100%"
"%=frac\\{};{}""Cm (KCl)=\\frac{0.892}{0.892+54.6}\u22c5100 = 1.6 percent"
2) "Cv =\\frac{v(solute)}{v(solute)+v(solvent)}\u22c5100%"
"Cv (alcohol)=\\frac{20}{20+250}\u22c5100=7.4 percent"
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