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A chemistry graduate student is given 250. mL of a 0.40M methylamine (CH3NH) solution. Methylamine is a weak base with K,=4.4 x 104. What mass

A chemistry graduate student is given 250. mL of a 0.40M methylamine (CH3NH) solution. Methylamine is a weak base with K,=4.4 x 104. What mass of CH3NH3Br should the student dissolve in the CH3NH solution to turn it into a buffer with pH = 10.51? You may assume that the volume of the solution doesn't change when the CH3NH3 Br is dissolved in it. Be sure your answer has a unit symbol, and round it to 2 significant digits

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