1) Determine the pH of a 0.0785 M unknown weak base solution. Kb of the unknown...

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Question

1) Determine the pH of a 0.0785 M unknown weak base solution. Kb of the unknown weak base is 4.7 x 10−6.

2) An unknown weak acid solution with a concentration of 0.0850 M has a pH of 4.35. What is the Ka for this weak acid?

3) What is the pH of a 0.0380 M solution of HNO2? (Use your workbook to find Ka)

4) An unknown weak base solution with a concentration of 0.187 M has a pH of 13.87. What is the Kb value for this weak base?

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Answer 1

Answer #1

Answer 2

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