Question

A solution contains 40 g of common salt in 320 g of water. Calculate the concentration in terms of mass by mass percentage of the solution . *

2 points

125 %

12.5 %

1.25 %

25 %​

Answer 1

Answer:

1.25% these is your answer

Answer 2

Answer:

12.5 %

Explanation:

w/w%= mass of solute / mass of solution × 100

= 40/320 ×100

=12.5%