(Answered) Ammonia is a convenient buffer system in the slightly basic

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Ammonia is a convenient buffer system in the slightly basic range.

(a) What is the pH of a buffer solution containing 48 g of NH₄Cl dissolved in 1.00 L of 0.959 M NH₃?

(b) How many moles of acid are required to change the pH of this solution by 0.03 pH units?

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