Multiple Choice
The equilibrium ![The equilibrium HC2H3O2+H2O ⇄ H3O++C2H3O2-exists in a 1 M aqueous solution of HC<sub>2</sub>H<sub>3</sub>O<sub>2</sub> with an equilibrium constant K<sub>eq</sub> = [H<sub>3</sub>O<sup>+</sup>][C<sub>2</sub>H<sub>3</sub>O<sub>2</sub><sup>−</sup>]/[HC<sub>2</sub>H<sub>3</sub>O<sub>2</sub>]. Which of the following expressions explains why K<sub>eq</sub> does not include a term for [H<sub>2</sub>O]? A) [H<sub>2</sub>O] < [C<sub>2</sub>H<sub>3</sub>O<sub>2</sub><sup>−</sup>] B) [H<sub>2</sub>O] ≈ 55.5 ≈ constant C) [H<sub>3</sub>O<sup>+</sup>] > [H<sub>2</sub>O] D) [H<sub>2</sub>O] ≈ 0](https://d2lvgg3v3hfg70.cloudfront.net/MD0008/11ecba2d_121d_ccbb_a3bf_351d986a3640_MD0008_00.jpg)
HC2H3O2+H2O ⇄ H3O++C2H3O2-exists in a 1 M aqueous solution of HC2H3O2 with an equilibrium constant Keq = [H3O+][C2H3O2−]/[HC2H3O2]. Which of the following expressions explains why Keq does not include a term for [H2O]?
A) [H2O] < [C2H3O2−]
B) [H2O] ≈ 55.5 ≈ constant
C) [H3O+] > [H2O]
D) [H2O] ≈ 0
Correct Answer:
Verified
Correct Answer:
Verified
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