Calculate the ph of the resulting naoh solution

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Question- Calculate the pH of the resulting solution if 22mL of .22 M of HCl is added to 12 mL of .320 NaOh solution.

I acquired the answer as 12.47, however sapling is telling me I am wrong. I have worked this problem four times and cannot figure out what I did wrong.

Reference no: EM13712750

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