Question

What mass of salt must be

added to 500 gm of water to

make 20% salt solution
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Answer 1

Answer:

Mass of solute = 20 g

Volume of solution = 500 ml

Mass by volume percentage =

$\frac{mass \: \:of \: solute \times 100}{volume \: of \: solution}$

$= \frac{20 \times 100}{500} =$

$4\%$

Hence, the correct option is D