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Quiz 1. What is the pH of a 5.0 x 10 -6 M solution of CsOH ? A. 5.3 B. 2 x 10 -9 C. 8.7

Quiz 1. What is the pH of a 5.0 x 10 -6 M solution of CsOH ? A. 5.3 B. 2 x 10 -9 C. 8.7 D. need to know the equilibrium constant 2. Formic acid (HCO 2 H) has a pKa of 3.744. What is K b for the formate ion (HCO 2 - )? Show your work. A. 1.80 x 10 -4 B. 5.55 x 10 -11

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Quiz 1. What is the pH of a 5.0 x 10 -6 M solution of CsOH ? A. 5.3 B. 2 x 10 -9 C. 8.7

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  1. Quiz 1. What is the pH of a 5.0 x 10-6 M solution of CsOH? A. 5.3 B. 2 x 10-9 C. 8.7 D. need to know the equilibrium constant 2. Formic acid (HCO2H) has a pKa of 3.744. What is Kb for the formate ion (HCO2-)? Show your work. A. 1.80 x 10-4 B. 5.55 x 10-11 C. 10.26 D. 3.744

  2. Quiz 3. How many milliliters of 0.100 M KI are necessary to reach the equivalence point when titrating 40.0 mL of 0.0350 M Hg2(NO3)2? Show your work. The reaction is: A. 28.0 mL B. 32.0 mL C. 14.0 mL D. none of the above 4. The equivalence point of a titration occurs: A. when all of the analyte has been titrated (reacted). B. usually just before the endpoint. C. Both A and B D. Neither A or B

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