A chemistry graduate student is given 125. mL of a 0.70M chlorous acid (HCI0,) solution. Chlorous acid is a weak acid with K,=1.1 × 10². wWhat mass of KC1O, should the student dissolve in the HC1O, solution to turn it into a buffer with pH =2.11? You may assume that the volume of the solution doesn't change when the KC1O, 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.