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pOH, % Ionization, and Ka of a Weak Base

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QUESTION 1

If Kb for NX3 is 6.5 x 10-6, what is the pOH of a 0.175 M aqueous solution of NX3?

Express your answer numerically.

pOH = _____________________________________

Question 2

If Kb for NX3 is 6.5 x 10-6, what is the percent ionization of a 0.325 M aqueous solution of NX3?

Express your answer numerically.

Percent ionization = ____________________

Question 3

If Kb for NX3 is 6.5 x 10-6, what is the pKa for the following reaction?

HNX3+(aq) = H2O(l) = NX3(aq) + H3O+ (aq)

Express you answer numerically.

pKa = __________________

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Solution Summary

This solution explains:

1) How to calculate pOH of a weak base.

2) How to calculate % ionization of a weak base.

3) How to calculate the Ka of a weak base's conjugate acid based on Kb.

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