Question

A solution is prepared by adding 53 g of Na2CO3
(molar mass = 106 g mol-1) in 72 g of water. The mole
fraction of Na2CO3 is
(1) 0.40
(2) 0.11
(3) 0.50
(4) 0.22​

Answer 1

Answer:

The mole fraction of NA2CO3 is

4) 0 .22(answer)