Question

calculate the mass of Nacl that should be dissovled in 45g of water to obtain 10% solutin of the substance​

Answer 1

Explanation:

5 gm of solute is dissolved in 45 gm of water.

Thus, weight of solution = (5 + 45) gm = 50 gm

Hence, the percentage of solute in the solution = (5/50)*100 = 10 %