Homework Help: PH Calculation

Posted by RZeal on Thursday, April 26, 2012 at 2:41am.

Consider a 0.42 M solution of NaCH3COO

CH3COO–(aq) + H2O(l) -> CH3COOH(aq) + OH–(aq)

Calculate the pH of the solution at equilibrium. Try the weak acid or
weak base approximation (as appropriate) and check the validity of the
approximation. If the approximation is not valid, then solve the problem exactly.

Chemistry - RZeal, Thursday, April 26, 2012 at 3:13am
Ka = Ch3COO- 5.6x10^-10
Ka = Ch3COOH 1.8x10^-5

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