# Problem: Calculate [H3O+] given [OH -] in each aqueous solution.  Express your answer using two significant figures. Part A[OH -] = 6.1 x 10 -11 M Part BClassify this solution as acidic or basic. Part C[OH -] = 7.0 x 10 -9 M

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###### FREE Expert Solution
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###### Problem Details

Calculate [H3O+] given [OH -] in each aqueous solution.  Express your answer using two significant figures.

Part A

[OH -] = 6.1 x 10 -11

Part B

Classify this solution as acidic or basic.

Part C

[OH -] = 7.0 x 10 -9

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 pH and pOH concept. You can view video lessons to learn pH and pOH. Or if you need more pH and pOH practice, you can also practice pH and pOH practice problems.

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