February 22, 2017

Homework Help: Chemistry

Posted by Sharon on Thursday, January 27, 2011 at 8:09pm.

For a solution that is 0.20 M HCN(aq) with a Ka=4.9x10^-10

a. calculate the [H+]
b. calculate the [OH-]
c. what's the pH?

Please show your work on how to solve it. Thank you

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