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Unformatted text preview: M acetic acid and 1.00 M sodium acetate. What is its pH? 10. Find the pH of 1.25 M acetic acid and 0.75 M potassium acetate. 11. Calculate the pH of a buffer solution made from 0.20 M HC 2 H 3 O 2 and 0.050 M C 2 H 3 O 2-that has an acid dissociation constant for HC 2 H 3 O 2 of 1.8 x 10-5 . Solve this problem by plugging the values into the Henderson-Hasselbalch equation for a weak acid and its conjugate base. BISC 330L Spring 2011 Study Questions for Week 1 (Tabancay) 12. Calculate the concentration of benzoic acid and benzoate in a solution whose pH = 5.2. The pKa of benzoic acid is 4.20 and the solution was prepared to be 0.005 M benzoic acid. 13. How does X-ray crystallography lead to a prediction of the 3-D structure of a protein? 14. What are various ways that gene expression can be affected? 15. How did GFAJ-1 bacteria challenge our knowledge of the structure of DNA?...
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