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For the Equilibrium That Exists in an Aqueous Solution of Nitrous

Question 28

Multiple Choice

For the equilibrium that exists in an aqueous solution of nitrous acid (HNO2,a weak acid) ,the equilibrium-constant expression is


A) K = For the equilibrium that exists in an aqueous solution of nitrous acid (HNO<sub>2</sub>,a weak acid) ,the equilibrium-constant expression is A) K = . B) K = . C) K = . D) K = [H<sup>+</sup>][NO<sub>2</sub><sup>-</sup>]. E) none of these .
B) K = For the equilibrium that exists in an aqueous solution of nitrous acid (HNO<sub>2</sub>,a weak acid) ,the equilibrium-constant expression is A) K = . B) K = . C) K = . D) K = [H<sup>+</sup>][NO<sub>2</sub><sup>-</sup>]. E) none of these .
C) K = For the equilibrium that exists in an aqueous solution of nitrous acid (HNO<sub>2</sub>,a weak acid) ,the equilibrium-constant expression is A) K = . B) K = . C) K = . D) K = [H<sup>+</sup>][NO<sub>2</sub><sup>-</sup>]. E) none of these .
D) K = [H+][NO2-].
E) none of these

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