A chemistry graduate student is given 300. mL of a 1.20M methylamine (CH3NH₂) solution. Methylamine is a weak base with K₁=4.4 x 10-4. What mass of CH3NH₂Br should the student dissolve in the CH3NH₂ solution to turn it into a buffer with pH = 10.16? You may assume that the volume of the solution doesn't change when the CH3NH₂Br is dissolved in it. Be sure your answer has a unit symbol, and round it to 2 significant digits.

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.