Question

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

Answer 1

Answer:

Mas of common salt (solute)=40 g

Mass of water (soluted) =320 g

mass of solution=320+40

=360 g

concentration of solution=

massofsolution

M

mass

ofsolute

×100

360

40

×100=11.11%

Hence, the concentration of the solution is 11.11%