A chemistry graduate student is given 100. mL of a 0.30M acetic acid (HCH,CO₂) solution. Acetic acid is a weak acid with K-1.8 x 105. What mass of KCH,CO, should the student dissolve in the HCH,CO₂ solution to turn it into a buffer with pH =4.62? You may assume that the volume of the solution doesn't change when the KCH,CO₂ is dissolved in it. Be sure your answer has a unit symbol, and round it to 2 significant digits. 10 0.8 X G

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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.