JEE Main 2019 Chemistry question
8 g of NaOH is dissolved in 18 g of HO. Mole fraction of NaOH in solution and molality (in mol kg) of the solution respectively are:
Answer: (C)
Solution
0.2/1.2 = 0.167; 0.2/0.018 = 11.11.
8 g of NaOH is dissolved in 18 g of HO. Mole fraction of NaOH in solution and molality (in mol kg) of the solution respectively are:
0.2/1.2 = 0.167; 0.2/0.018 = 11.11.