The concentration of a salt solution is 25% . In which quantity of salt is 20gms in 80 ml of water. What quantity of salt must be added to the solution to make it 30% ?
Answers
Answered by
1
Answer:
24grams
Explanation:
for25%=20grams
then30%=?
30×20/25=24 grams
tell correct answer
Answered by
2
Answer:
Mass of solute = 20g
volume of solution = 500ml
mass by volume persentage =
mass of solute × 100
volume of solution
= 20×100 = 4%
500
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