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A buffer was prepared by dissolving 2.26 grams of phenylacetic acid (HC6H5CH2CO2, Ka = 4.9x10-5) and 3.25 grams of potassium phenylacetate (KC6H5CH2CO2) in enough water to yield 750. mL of buffer solution.
a. What is the approximate pH of this buffer? Explain your answer.
b. What is the pH of this buffer solution?
c. What will the pH of this solution be when 7.5 mL of 1.0 M HCl is added
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The ternary compounds called chlorofluorocarbons, or Freons, have proved to be very valuable as refrigerants and as cleaning agents for circuit boards. Unfortunately, in the atmosphere these compounds produce chlorine atoms that catalyze the decom..
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Based on your knowledge of the TLC of the components of Excedrin, propose an experiment that would separate these components, including the order of elution off a chromatography column.
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