What is the pH of a 0.200 M CH3NH2 solution? (Kb for CH3NH2 = 4.4 x...

Question

Question

What is the pH of a 0.200 M CH₃NH₂ solution? (K_b for CH₃NH₂ = 4.4 x 10^-4)

science chemistry

Answer 1

Answer #1

CH₃NH2 + H₂O > CH₃ NH3* + one- 0.2 Hun 0.2-x Ko= [CH₂ NH3* ] [ous [CH₂ NH2 ] 4.48104 = x2 x 0.2-k a2+ 4.4x107x - 8.8x10s=o so

Answer 2

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