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July 24, 2014

Homework Help: Chemistry

Posted by Sue on Tuesday, April 27, 2010 at 7:08pm.

An unknown monoprotic weak acid, HA, has a molar mass of 65.0. A solution contains 2.20 g of HA dissolved 750. mL of solution. The solution has a pH of 2.200. What is the value of Ka for HA?

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