Question

a solution contains 20 g of common salt in 300g of water calculate the concentration of the solution​

Answer 1

$\LARGE{\bf{\underline{\underline{SOLUTION:-}}}}$

A solution contains 20g salt, 300g water.

Solute = 20g salt.

Solvent = 300g water.

Total mass of solute and solvent (mass of solution) = 320g.

$\boxed{\sf{\red{Concentration \ of \ solution = \frac{Mass \: \: of \ solute }{Mass \: \: of \ solution} \times 100}}}$

$:\to \sf Concentration \% = \dfrac{20}{300} \times 100$

$: \to \sf{\green{Concentration = 6.66\%}}$

$\Large \red \therefore \frak{\purple{Concentration \ is \ 6.66 \%}}$