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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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fieldhockey fieldhockey
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11 years ago
I know that the dissociation of CH3OH has something to do with finding the total molar concentration of ions but I still cant seem to figure out the correct answer. Help please!
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#1
11 years ago
The pKa of methanol is 15.5, meaning it will dissociate in water an order of magnitude less than water itself. Since the concentration of H+ and OH- in pure water is 1x10^-7 M each, there will be about 2x10^-7 M total ion concentration in pure water. The dissociation of methanol to H+ and CH3O- will be about a tenth of this, bringing the total ion concentration to 2.2x10^-7 M.
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