Solute A associates as dimer in water. When 0.7 g of solute A is dissolved in 42.0 g of…
Chemistry · JEE Main · NTA Exams — Solutions
Solute A associates as dimer in water. When 0.7 g of solute A is dissolved in 42.0 g of water, it depresses the freezing point by 0.2 oC. The percentage association of solute A in water is:
[Given: Molar mass of A = 93 g mol–1. Molal depression constant of water is 1.86 K kg mol–1.
(JEE Main 2022)
[Given: Molar mass of A = 93 g mol–1. Molal depression constant of water is 1.86 K kg mol–1.
(JEE Main 2022)
- 50%
- 60%
- 70%
- 80%
Answer
(D) 80%
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