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Topic: Calculating pH of a weak solution of HCl  (Read 1896 times)

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Offline hamil

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Calculating pH of a weak solution of HCl
« on: April 24, 2013, 07:13:44 PM »
If I add 2E-7 moles of HCl to 1 liter of water, do I add the 1E-7 molarity of water to the HCl giving a pH of 6.523?
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Offline Borek

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Re: Calculating pH of a weak solution of HCl
« Reply #1 on: April 25, 2013, 03:12:37 AM »
No, as adding H+ shifts water autodissociation slightly to the left.

http://www.chembuddy.com/?left=pH-calculation&right=pH-strong-acid-base
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