a. A solution of potassium nitrate contains 0.5 g of potassium nitrate dissolved in 24.5 g of water. Calculate the concentration of the solution in terms of mass by mass percentage.
Answers
Answered by
2
answer:
mass of pottasium = 0.5g
mass of water = 24.5g
mass of solution = 0.5 g +24.5g
= 25g
concentration of the solution
=mass of solvent / mass of solution× 100
= 0.5 g /25g ×100
= 5/250 ×100
= 1/50 ×100
= 20%
Similar questions