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October 1, 2014

Homework Help: Analytical chemistry help!

Posted by Remy on Saturday, November 26, 2011 at 4:37pm.

Calculate the pH of a solution made by mixing 50.00 mL of 0.100 M NaCN (Ka of HCN = 6.2 x 10-10) with a) 4.20 mL of 0.438 M HClO4 and b) 11.82 mL of 0.438 M HClO4. What is the pH at the equivalence point with 0.438 M HClO4?

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