Question

1. What do you mean by mass per cent of a solution? How will you make 30 % mass per cent
solution of sodium chloride in water?​

Answer 1

Answer:

mass % means number of grams of solute to make total 100 grams of solution

Explanation:

30% mass solution is prepared by dissolving 30 grams NaCl in 70 grams of water

Answer 2

Mass percent of solution means amount of solute added in a solvent to make a 100% solution

30% sodium chloride is added in 70% of water then the solution is made .

Hope it helps you