1. A 0.100 M solution of an unknown acid, HA, is 3.54% ionized. Complete the fol

Question

1. A 0.100 M solution of an unknown acid, HA, is 3.54% ionized.

Complete the following ice table, but instead of using the variable x, calculate the number values
of each quantity and report these values to the correct number of significant figures.

Fill in all of the cells.
Include signs in the Change column to indicate a gain or loss of concentration.
Do not include any units in your answers, M is assumed.

2. What is the Ka of HA? Calculate your answer to three sig figs.

3. Now calculate the pH of the solution of HA.

Explanation / Answer

Solution:

The equation for the dissociation of HA is:

HA<===> H+ + A

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