20 g salt is dissolved in water to prepare 20% (w/w) aqueous salt solution. Calculate the amount of salt added
to this solution to make the final concentration 30% (w/w).
Answers
Answered by
2
Answer:
Correct option is
D
4
Mass of solute = 20 g
Volume of solution = 500 ml
Mass by volume percentage =
Volume of solution
Mass of solute×100
=
500
20×100
=4%
Hence, the correct option is D.
Similar questions