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Old July 14th, 2005, 19:18
chris p chris p is offline
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Default Ph Calculation
Find he Ph of NaNO2 if Ka of HNO2 is .00045
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Old July 17th, 2005, 17:37
Borek Borek is offline
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http://www.chembuddy.com/?left=pH-ca...-hydrolisis-q1

That's for the solution of weak base, but you have to do the calculations using exactly the same equation - 8.10 or 8.13.

Best,
Borek
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Old July 18th, 2005, 12:29
chris p chris p is offline
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Based on what I was given, I was unable to find a solution for the problem. Since I am having a hard time finding out how to use the source given, can someone please calculate the problem and let me know what answer the get? Thanks in advance.
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Old July 18th, 2005, 12:38
chris p chris p is offline
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I got an answer of 12.17 when I attempted the problem but have no idea if I am right at all.
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Old July 19th, 2005, 08:34
opuntia opuntia is offline
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Is there any data given other than the Ka of HNO2?
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Old July 20th, 2005, 07:36
charco charco is offline
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as pH is dependent on the concentration you must be given this before you can calculate the pH of any solution

eg. the pH of 0.1M HCl is vastly different from the pH of 0.0001M HCl whereas the pKa value is a constant for a given temperature (usually 25ºC)
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