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Unformatted text preview: Quiz #1 Biochemistry 403 Key Name_____________________ On my honor, I have neither given nor received aid on this quiz___________________________ Signature 1. What is the ratio of citric acid (pK 1 = 3.09) to monosodium citrate in a 1.0 M citric acid solution with a pH = 2.09? A) 10:1 B) 1:1 C) 1:10 D) 10:11 E) 1:11 2. Which of the following statements about water is incorrect? A) Water is an excellent solvent for polar molecules B) Pure water has a concentration of approximately 55.5 M C) Cations are solvated by shells of water molecules oriented with their hydrogen atoms pointed toward the ions D) Non-polar molecules do not dissolve in water, but form a separate phase E) Amphiphilic detergents often form micelles with the polar groups on the outside exposed to the water (solvent) and the non-polar groups sequestered in the interior 3. If you added a drop (about 0.05mL) of 1.0 M HCl to one liter of pure water (assume pH If you added a drop (about 0....
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