Question

.

The
A solution is prepared by adding 2 g of a substance 'A' to 18 g of water. Mass percent of solute A
1)15 %
2) 20%
3) 10 %
4) 25 %​

Answer 1

Answer:

.... ............... .......

Answer 2

Answer:

3) 10%

Explanation:

Mass percent of Solute A =

(Mass of solute A / Mass of solute A+ mass of water )*100

= (2/2+18) *100

=( 2/20) *100

= 2*5

= 10%