Question

1. Solution contains 40 gram of
common salt in 320 gram of water
calculate the concentration in terms of
mass by mass percentage of the
solution. (2)​

Answer 1

Answer:

1.1111%

Explanation:

mass of solute =40 gram

volume of solvent = 320 gram

mass of solution = (40+320) gram = 360 gram

concentration =400÷360 =1.1111 %