A chemistry graduate student is given 500. mL of a 1.60M chloroacetic acid (HCH2CICO2) solution. Chloroacetic acid is a weak acid with K = 1.3 × 103. What mass of NaCH2CICO2 should the student dissolve in the HCH2CICO₂ solution to turn it into a buffer with pH = 2.37? You may assume that the volume of the solution doesn't change when the NaCH2CICO2 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.