Question

Question:
Calculate the quantity of sodium chloride required to make 400 ml 1in 20 solution
Option 1:
22.0 gm
Option 2:
25.0 gm
Option 3:
20.0 gm
Option 4:
23.0 gm​

Answer 1

Answer:

the answer is 22.0

option2:

25.0gm