Which of the following is NOT a method for expressing the concentration of a solution?
Molarity
Molality
Mass percentage
Density
Related Questions
0.20.20.2 g of a sample of H2O2{{\rm{H}}_2}{{\rm{O}}_2}H2O2 required 101010 mL of NKMnO4N{\rm{KMn}}{{\rm{O}}_4}NKMnO4 in a titration in the presence of H2SO4.{{\rm{H}}_2}{\rm{S}}{{\rm{O}}_4}{\rm{.}}H2SO4.. Purity of H2O2{{\rm{H}}_2}{{\rm{O}}_2}H2O2 is :
25%25\% 25%
85%85\% 85%
65%65\% 65%
95%95\% 95%
