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If the Kb of a Certain Amine Is 4

question 65

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If the Kb of a certain amine is 4.50 × 10-4, what is the approximate ratio of the protonated to the unprotonated amine, respectively, at pH 7.00? Assume the following reaction. RNH2 (aq) + H2O(l) If the K<sub>b</sub> of a certain amine is 4.50 × 10<sup>-4</sup>, what is the approximate ratio of the protonated to the unprotonated amine, respectively, at pH 7.00? Assume the following reaction. RNH<sub>2</sub> (aq)  + H<sub>2</sub>O(l)    RNH<sub>3</sub><sup>+</sup>(aq)  + OH<sup>-</sup>(aq)  A)  4500 : 1 B)  1 : 4500 C)  45 : 1 D)  1 : 45 RNH3+(aq) + OH-(aq)


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