Question

A solution is prepared by dissolving 15g of sodium chloride in 200g of water . what is the mass by mass percent of sodium chloride in this solution?​

Answer 1

Answer:

6.98%

Explanation:

The whole mass of the solution is 200 + 15 = 215 (g)

Thus, the mass percentage of salt in this solution is:

15 / 215 x 100% = 6.98%