If 10 cm <sup>3</sup> of distilled water is added to 10 cm<sup>3</sup> of an aqueous salt solution, the concentration of the solution

If 10 cm 3 of distilled water is added to 10 cm3 of an aqueous salt solution, the concentration of the solution

If 10 cm ³ of distilled water is added to 10 cm³ of an aqueous salt solution, the concentration of the solution

The correct answer is B. decreases

No explanation given