in which one of the following solutions will acetic acid have the greatest percent ionization?
[A] 0.1 M CH3COOH [B] 0.1 M CH3COOH dissolved in 1.0 M HCl
[C] 0.1 M CH3COOH plus 0.1 M CH3COONa [D] 0.1 M CH3COOH plus 0.2 M CH3COONa