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Topic: HI has a pka of -10, and HCl of -7, but they both have the same ph in water  (Read 2054 times)

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Offline pyrrole

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HI has a pka of -10, and HCl of -7, but they both have the same ph in water
« on: May 28, 2011, 07:50:46 AM »
Why?

is it something to do with completely dissociating in water? I'm stumped. Also they are both 0.1M
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Offline Dan

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Re: HI has a pka of -10, and HCl of -7, but they both have the same ph in water
« Reply #1 on: May 28, 2011, 07:56:14 AM »
Look up/google the solvent levelling effect, that should answer your question.
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Offline pyrrole

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Re: HI has a pka of -10, and HCl of -7, but they both have the same ph in water
« Reply #2 on: May 28, 2011, 07:58:40 AM »
thankyou!
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