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April 25, 2015

Homework Help: Chemistry

Posted by GK on Sunday, April 10, 2011 at 8:21pm.

15 ml of 0.5 M of HCl is added to a 100 ml sample of 0.2 M HNO2 (Ka for HNO2= 4.0 x 10^(-4)). What is the equilibrium concentration of NO2- ions?

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