Problem: Calculate Ka for the conjugate acid of methylamine, CH2NH2 (Kb= 4.4 x 10-4).a. 3.91x10-11b. 6.16x10-9c. 2.27x10-11d. 5.51x10-9e. 1.13x10-8

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For this problem, we are calculating for the Ka for methylamine with Kb of 4.4x10-4

Recall that Kb and Ka are related via the autoionization constant (1x10-14)

Kw = Kb×Ka

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Problem Details

Calculate Ka for the conjugate acid of methylamine, CH2NH2 (Kb= 4.4 x 10-4).

a. 3.91x10-11

b. 6.16x10-9

c. 2.27x10-11

d. 5.51x10-9

e. 1.13x10-8

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