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Topic: Calcualting pH  (Read 4025 times)

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nd22121

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Calcualting pH
« on: April 12, 2005, 11:05:46 PM »
How do I start this problem.  Calculate the pH of 0.015M solution of NaClO.  I really dont know how to start this one either.
thanks
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Offline Jiro

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Re:Calcualting pH
« Reply #1 on: April 12, 2005, 11:18:32 PM »
I think you should write out the equation out first. If it is a weak acid find Ka and from that find H+ concentration and Ph=-log(H+)
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Offline AWK

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Re:Calcualting pH
« Reply #2 on: April 13, 2005, 01:34:31 AM »
This is a hydrolysis problem
ClO(-) + H2O = HClO +  OH(-)
since HClO ia a weak acid
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Garneck

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Re:Calcualting pH
« Reply #3 on: April 13, 2005, 02:17:35 AM »
And pKa of hypochlorous acid is 7,53
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