SolutionHard
Question
The pH of a 0.1 M solution of a monobasic acid is 2.0. Its osmotic pressure at a given temperature T K is
Options
A.0.1RT
B.0.11RT
C.0.09RT
D.0.01RT
Solution
$\underset{(0.1 - x)\text{ M}}{HA} \rightleftharpoons \underset{x\text{M = 0.01M}}{H^{+}} + \underset{xM}{A^{-}}$
∴ Osmolarity = (0.1 – x) + x + x = 0.11 M
Now, π = CRT = 0.11 RT
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