Estimate the pH of 0.127 M CH3NH2(aq) at 25°C.  Kb(CH3NH2) = 3.8 × 10−4 Group of answer choices 9.68 2.16 12.29 11.84

Chemistry: Matter and Change
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Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
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Chapter18: Acids And Bases
Section: Chapter Questions
Problem 107A
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Estimate the pH of 0.127 M CH3NH2(aq) at 25°C.  Kb(CH3NH2) = 3.8 × 104
Group of answer choices
9.68
2.16
12.29
11.84 
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