Ph in a molarity question

Discussion in 'Chemistry' started by Positron, Dec 3, 2007.

  1. Positron Agony: Not all pain is gain Registered Senior Member

    Hi guys, a friend of mine asked me thsi question, but I can't remember for the life of me how to do it, could anyone shed some light on this?

    You have 30.0 ml .100 M acetic acid. How many ml of .200M NaOH must be added to this solution for the pH to be 7.00? (you may assume volumes are additive, K[a] of acetic acid is 1.80E-5) Half credit: everything the same, but K[a] = 1.8E-5

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