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Quinine, an alkaloid derived from a tree that grows in tropical rain forests, is used in...

Quinine, an alkaloid derived from a tree that grows in tropical rain forests, is used in the treatment of malaria. Like all alkaloids, quinine is a sparingly soluble weak base: 1.00 g of quinine will dissolve in 1.90 × 102 L of water.

What is the pH of a saturated solution of quinine?

The number of significant digits is set to 2; the tolerance is +/-4%

A 27.4 mL sample of saturated quinine is titrated with 0.00843 M HCl solution. What is the pH at the stoichiometric point of the titration?

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