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what is the pOH of a solution prepared by mixing 0.01 moles of HCL with 25.00...

what is the pOH of a solution prepared by mixing 0.01 moles of HCL with 25.00 mL of 1.0 methylamine, CH3NH2, and with 15.00 mL of 1.0 M methylammonium chloride, CH3NH3CL? Assume that the volume of the solutions are additive and that Kb= 3.70 x 10^-4 for methylamine. You cant use the Henderson-Hasselbalch equation in solving this problem.

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