Quinine (C 20 H 24 N 2 O 2 ) is the most important alkaloid derived from
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Quinine (C20H24N2O2) is the most important alkaloid derived from cinchona bark. It is used as an antimalarial drug. For quinine pKb = 5.1 and pKb2 = 9.7 (pKb = 2log Kb). Only 1.0 g of quinine will dissolve in 1900.0 mL of solution. Calculate the pH of a satrated aqueous solution of quinine. Consider only the reaction
described by pKb1, where Q= quinine.
Transcribed Image Text:
Q + H₂O QH+ + OH-
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Solution Q H Q pKb1 log Kb 51 pKb2 log Kb 97 pH pH2 p...View the full answer
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