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Topic: calculating PH  (Read 4845 times)

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Offline Maxwell

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calculating PH
« on: November 29, 2009, 01:21:51 PM »
I am having troubl with this problem, can anyone help?

Calculate the pH after .020 mol HCL is added to 1.0 liter of .100 M propanoic acid  (HC3H5O2) Ka 1.3E-5

also calculate the pH after the HCL has been added to a mixture containing .100 M HC3H5O2 and .100 M NaC3H5O2
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Offline Borek

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Re: calculating PH
« Reply #1 on: November 29, 2009, 02:19:13 PM »
Please read forum rules.
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Offline Maxwell

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Re: calculating PH
« Reply #2 on: November 29, 2009, 05:51:55 PM »
I dont know how to start it  :(
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Offline Borek

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Re: calculating PH
« Reply #3 on: November 29, 2009, 05:57:18 PM »
What equations describe the equilibrium in the first solution?
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Offline Maxwell

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Re: calculating PH
« Reply #4 on: November 29, 2009, 08:12:54 PM »
i figured it out, thanks anyways!
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