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The pKb of ammonia solution, NH3(aq) is 4.76. A buffer solution contains NH4Cl and NH3, has a pH of 9.45, and a total ammonia concentration (all forms) of 0.400 M. What is the concentration of NH4+?

(Hint: [NH4+] + [NH3] = 0.400 M)

1 answer

3.0

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