Question

80 ml of a solution contains 20 g of solute. What is the concentration of this solution in terms of mass by volume percentage of the solution?

• A. 25%
• B. 50%
• C. 100%
• D. 400%

Answer 1

The correct option is A 25%

In the given question:

Mass of the solute = 20 g
Volume of the solution = 80 ml
Concentration in terms of mass by volume percentage =
$\frac{\text{mass of solute}}{\text{volume of solution}}\times 100$
From the given formula:

Volume percentage = $\frac{\text{20}}{\text{80}}\times 100$ =25%