3. The acid ionization constants for the triprotic acid, phosphoric acid are listed below. Kaj = 7.5 10-3 Ka2 = 6.2 x 10 Kaz = 4.2 r 10 -13 a. Write the three ionic equations, one for each successive ionizations of the three protons of phosphoric acid. Clearly indicate which equilibrium constant corresponds to each ionic equation. b. Write the net ionic equation for the hydrolysis of aqueous sodium phosphate and calculate the value of the corresponding equilibrium constant for the reaction
3. The acid ionization constants for the triprotic acid, phosphoric acid are listed below. Kaj = 7.5 10-3 Ka2 = 6.2 x 10 Kaz = 4.2 r 10 -13 a. Write the three ionic equations, one for each successive ionizations of the three protons of phosphoric acid. Clearly indicate which equilibrium constant corresponds to each ionic equation. b. Write the net ionic equation for the hydrolysis of aqueous sodium phosphate and calculate the value of the corresponding equilibrium constant for the reaction
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Parts A, B, and C
Transcribed Image Text:3. The acid ionization constants for the triprotic acid, phosphoric acid are listed below.
Kai = 7.5 x 10-3
Kaz = 6.2 r 10-8
Kaz = 4.2 x 10 -13
a. Write the three ionic equations, one for each successive ionizations of the three protons of phosphoric acid. Clearly indicate which equilibrium constant
corresponds to each ionic equation.
b. Write the net ionic equation for the hydrolysis of aqueous sodium phosphate and calculate the value of the corresponding equilibrium constant for the reaction.
c. Draw a particulate view of matter for the reaction in part B. Be sure to include all species present (including any spectator ions) except water.
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