First slide

Theory of dilute solutions

Question

pH of a 0.1 M monobasic acid is found to be 2. Hence, its osmotic pressure at a given temperature T K is

Moderate

A

0.1RT
B

0.11RT
C

1.1RT
D

0.01RT

Solution

$p H = 2 [H^{\oplus}] = 0.01 M = C x = 0.1 x x = 0.1 i = 1 + x = 1.1 π = i \frac{n}{V} RT = iMRT = 1.1 \times 0.1 RT = 0.11 RT$

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