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QUESTION
Using the K a values given in the table, calculate the equilibrium concentrations of all species present and the pH for each of the following. (a)
Ka
(a) 0.50 M HC2H3O2
[H+]
= ? M
[C2H3O2− ]
= ? M
[OH − ]
= ? M
[HC2H3O2]
= ? M
pH
= ?
(b) 1.0 M HNO2
[H+]
= ? M
[NO2− ]
= ? M
[OH − ]
= ? M
[HNO2]
= ? M
pH
= ?
(c) 0.020 M HF
[H+]
= ? M
[F − ]
= ? M
[OH − ]
= ? M
[HF]
= ? M
pH
= ?
