If 10 cm 3 of distilled water is added to 10 cm3 of an aqueous salt solution, the concentration of the solution
- increases
-
decreases
- remains constant
- doubles
The correct answer is: B
Explanation
The concentration of a solution is the amount of a constituent divided by the total volume of the mixture. When water is added to a solution, the total volume increases, but the number of moles of solute remains the same. This results in a decrease in concentration.