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What Is Ka at 25°C for the Following Equilibrium Given

Question 85

Multiple Choice

What is Ka at 25°C for the following equilibrium given Kb (CH3NH2) = 4.4 × 10-4 at 25°C.? CH3NH3+(aq) + H2O(l) What is K<sub>a</sub> at 25°C for the following equilibrium given K<sub>b</sub> (CH<sub>3</sub>NH<sub>2</sub>) = 4.4 × 10<sup>-4</sup> at 25°C.? CH<sub>3</sub>NH<sub>3</sub><sup>+</sup>(aq) + H<sub>2</sub>O(l) CH<sub>3</sub>NH<sub>2</sub>(aq) + H<sub>3</sub>O<sup>+</sup>(aq) A) 4.4 × 10<sup>-4</sup> B) 2.3 × 10<sup>3</sup> C) 4.4 × 10<sup>-10</sup> D) 4.4 × 10<sup>4</sup> E) 2.3 × 10<sup>-11</sup> CH3NH2(aq) + H3O+(aq)


A) 4.4 × 10-4
B) 2.3 × 103
C) 4.4 × 10-10
D) 4.4 × 104
E) 2.3 × 10-11

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