Question

Example 2.1 A solution contains 40 g of common salt in 320 g of water. Calculate the concentration in terms of mass by mass percentage of the solution.​

Answer 1

Explanation:

Mass of common salt (solute) = 40 g

Mass of water (soluted) = 320 g

Mass of solution = (320 + 40) g = 360 g

Concentration of solution = Mass of solute/Mass of solution × 100%

=> 40/360 × 100%

= 11.11%

Hence, the concentration of the solution is 11.11%