Define the ph of a solution prepared by dissolving

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Problem- The pH of a solution prepared by dissolving 0.350 mol of solid dimethylamine hydrochloride((CH3)2NH2CL) IN 1.00L of 1.10M dimethylmine ((CH3)2NH) is. The Kb for methylamine is 5.40x10^-4. (Assume the final volume is 1.00 L.)

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