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posted by Anna Tuesday, May 17, 2011 at 5:55pm.

If one added 130 mL of 2 M NaOH to 1 L of a buffer composed of 2.3 M NH3 and 3.2 M NH4Cl, what would be the pH of the resulting solution? The Kb of NH3 is 1.8 × 10−5.

pH=~9.2

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