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`        A saturated solution of o-nitrophenol has PH=4.53. Calculate its solubility. PKa=7.23                                                                              `
8 years ago

Ramesh V
70 Points
```										C6H5NO3----> C6H4NO3- + H+
x                       x
lets solubility be x
so PH = 4.53 or [H+] = 10-4.53  so x = 10-4.53
PKa = 7.23 or [H+] = 10-7.23
Ka = [C6H4NO3-] [H+]
[C6H4NO3-] = Ka / [H+]
= 10 -7.23+4.53
solubility   = 2x10-3 g/L
```
8 years ago
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