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Unformatted text preview: o element electronegativity increases >> polarity increases >> acid strength increases oxyacids- OH and oxygen bonded to a central atom o element electronegativity increases, # of oxygen increases >> acid strength increases carboxylic acids- contains a carboxyl group, largest cateogry of organic acids o # of electronegative atoms increase >> acid strength increases Find the pH of a 0.001 M solution of acetic acid Ka = 1.8 x 10-5 Ka = [H+] [acetate] / [acetic acid] = x2 / 0.001 x = [(1.8 x 10-5) (0.001)]1/2 = 1.3 x 10-4 = [H+] pH = -log [H+] = 3.87 Find the pH of 0.1 M solution of HCl strong acid, completely dissociates pH = -log [HCl] = 1...
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This document was uploaded on 10/30/2011 for the course CHEM 161 at Rutgers.
- Spring '08