QuestionIonic equilibrium / buffer
What will be the pH of a buffer solution containing 0.20 mole of NH₄OH and 0.25 mole of NH₄Cl per litre?
(Dissociation constant of NH₄OH at room temperature is 1.81 × 10⁻⁵, log1.81 = 0.2577 and log1.25 = 0.0969)
- (a) 9.161
- (b) 9.521
- (c) 8.161
- (d) 9.312
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