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## pH of a mixture

I have a question here and i don't really know how to do it.

I need to know : What is the pH of a mixture of 30ml 0.1M acetic acid and 30ml of 0.1M NaOH? $$$HC_2 H_3 O_3 = 1.8*10^{ - 5}$$$

I'm not even sure what the equilibrium equation would be! Any help would be appreciated.
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 Recognitions: Gold Member Homework Help Pengwuino, notice you have an acid (acetic acid) and a base (NaOH) . Initially, how many moles of each are there? When they react, what product will they form? How many moles of acid and base react, and how many moles of product is formed? So after, the reaction what happens to the product? Figure out the answers to the above questions, and you are half way to the required answer.