Question

A solution is prepared by adding 20 g of a substance A to 30 g of water.Mass percent of the solute is...


(1) 10 %

(2) 40%

(3) 30%

(4) 20%​

Answer 1

Answer:

 Mass percent of solute = mass of solutionmass of solute×100 Mass of solute = 2 g Mass of solvent = 18 g Mass of solution =30%