Question

calculate the mass of sodium sulphate required to prepare 20 % {mass percent } solution in 100 gram of water​

Answer 1

Answer:

20

Explanation:

Your answer

Answer 2

Explanation:

Let the mass of sodium sulphate required be = x g..

The mass of solution would be = (x +100) g

x g of solute in (x + 100) g of solution

20% = ×/x+100 x100

20 x + 2000= 100 x

80x =2000

x = 2000/ 80 = 25 g

The answer is 25 grams of Naso4....

Thnx