Question

Calculate the mass of sodium sulphate required to prepare 20% solution in 100g of water

Answer 1

25g

Step-by-step explanation:

Let the mass of sodium sulphate required be =xg

The mass of solution =(x+100)g

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

20% =

x+100

x

×100

20x+2000=100x

80x=2000

x= 80

2000

=25 g

I HOPE YOU GET YOUR ANS

IF YOU UNDERSTANDING THEN PLEASE MARK AS BRAINLIST AND GIVE 5STAR AND LIKE