A chemistry graduate student is given 250.mL of a 0.30M chloroacetic acid HCH2ClCO2 solution. Chloroacetic acid is a weak acid with=Ka×1.310−3. What mass of KCH2ClCO2 should the student dissolve in the HCH2ClCO2 solution to turn it into a buffer with pH=2.30?.

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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.