Question

There is a buffer solution in which the concentration of NH3 is 0.30 M and concentration of NH4 + is 0.20M. If the equilibrium constant, Kb for NH3 equal to 1.8 x 10-5, what is the pH of this solution (log 2.7 = 0.433; log 1.8 = 0.255)

1) 8.52
2) 9.43
3) 11.72
4) 8.73

Answer 1

Answer:

sorry don't know the answer

Answer 2

Answer:

The process by which green plants turn carbon dioxide and water into food using energy from sunlight.

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