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

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

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Solution:

$HA \to H^{+} + A^{-}, pH=2$
0.1
$pH=2$ so $[H^{+}]=0.01$
Total Concentration $=0.1+0.01=0.11\,M$
$\pi=CRT=0.11\,RT$