A buffer solution is prepared in which the conc. is 0.30 M and the concentration of is 0.20 M. If the equilibrium constant, equals , what is the pH of this solution
Moderate
Solution
= 4.74 + (0.301- 0.477)
= 4.74 - 0.176 = 4.56
pH = 14 - 4.56 = 9.44
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