Wednesday
April 16, 2014

Homework Help: Chemistry

Posted by Henry on Sunday, April 22, 2012 at 3:44pm.

(a) Explain what is meant by a weak acid.
Methanoic acid (HCO2H) has a numerical value of Ka(T) at 298K of 1.60 10-4
(b) Write an expression for Ka(T) of methanoic acid, and state its units.
(c) What is the pH value of a 0.10 mol dm-3 aqueous solution of methanoic acid? Give a clear account of your calculation and state any assumptions you have made

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