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Calculate osmotic pressure of a solution...

Calculate osmotic pressure of a solutions having `0.1M NaCl & 0.2M Na_(2)SO_(4)` and `0.5MHA`.
(Given : Weak acid is `20%` dissociated at `300K`).

Text Solution

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`pi=pi_(NaCl)+pi_(Na_(2)SO_(4))+pi_(HA)`
`0.1RTxx2+0.2RTxx3+0.5RTxx1.2`
`=0.0821xx300(0.2+0.6+0.6)`
`=34.482` atm.
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