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what is the pH of a solution that is 0.200 M in methylamine, CH3 NH2

CH3NH2+ H20<======> CH3NH3+ + OH-
Kb= 4.2 x 10 ^-4

3 answers

Kb = (CH3NH3^+)(OH^-)/(CH3NH2)

Set up an ICE chart, substitute, and solve for the unknown (OH^-), then convert to pH.
if i have 1.00 grams of N2 in 0.180 grams of H2 how many grams of NH3 is produced
11.97