A chemistry graduate student is given 450. mL of a 0.50M methylamine (CH,NH,) solution. Methylamine is a weak base with K,=4.4 x 10 -4 What mass of CH, NH, Br should the student dissolve in the CH,NH, solution to turn it into buffer with pH = 10.96? You may assume that the volume of the solution doesn't change when the CH,NH,Br is dissolved in it. Be sure your answer has a unit symbol, and round it to 2 significant digits. dlo Explanation Check

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Q: None

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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.