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15-03-2024
Chemistry

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What is the ratio of (NH₄Cl) / (NH₃) in order to make a NH3 / NH4Cl buffer solution with pH = 8.64, where the Ka for NH₃ is 1.8×10−5 ?

A) 5.25
B) 7943
C) 0.000125
D) 625

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