Question

5 g of salt is dissolved in 20 g of water . what is the percentage of the salt in the solution :

a) 20%

b) 10%

c) 40 %

d) 5%

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Answer 1

Solution :-

Mass of salt = 5g

Mass of water = 20g

Mass of solⁿ = 20 + 5 = 25g

=> concentration = 5/25 × 100 % = 20 %

Answer 2

Answer:

5%

Explanation:

clear