Solved: A student titrates an unknown weak acid, HA, to a
Chapter , Problem 132(choose chapter or problem)
A student titrates an unknown weak acid, HA, to a pale pink phenolphthalein end point with 25.0 mL of 0.100 M NaOH. The student then adds 13.0 mL of 0.100 M HCl. The pH of the resulting solution is 4.7. How is the value of pKa for the unknown acid related to 4.7?
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