# Problem: A 0.28 M solution of a weak acid is 3.5% ionized. What is the pH of the solution?1. 3.172. 1.463. 0.554. 2.015. 5.25

###### FREE Expert Solution
90% (147 ratings)
###### FREE Expert Solution

We’re being asked to determine the pH of a 0.28 M weak acid that is 3.5% ionized.

Recall that the percent ionization is given by:

Also recall that pH is given by:

$\overline{){\mathbf{pH}}{\mathbf{=}}{\mathbf{-}}{\mathbf{log}}{\mathbf{\left[}}{{\mathbf{H}}}_{{\mathbf{3}}}{{\mathbf{O}}}^{{\mathbf{+}}}{\mathbf{\right]}}}$

90% (147 ratings) ###### Problem Details

A 0.28 M solution of a weak acid is 3.5% ionized. What is the pH of the solution?

1. 3.17

2. 1.46

3. 0.55

4. 2.01

5. 5.25

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Weak Acids concept. If you need more Weak Acids practice, you can also practice Weak Acids practice problems.

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Our tutors rated the difficulty ofA 0.28 M solution of a weak acid is 3.5% ionized. What is th...as medium difficulty.

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Based on our data, we think this problem is relevant for Professor Murugaverl's class at DU.