Question

A solution contains 50 gms of NaCL in 400 gms of water.calculate the concentration in terms of mass by mass percentage of the solution ​

Answer 1

mass of solute = 50 gram

mass of solvent is =400 gram

mass of solution 400 gram + 50 gram=50 gram

mass by mass %=mass of solute by mass of solution

50/450×100

=100/9

=11.1%

mass by mass percentage = 11.1 %