c What is the pH at the equivalence point of the titration d At the end of the

# C what is the ph at the equivalence point of the

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c) What is the pH at the equivalence point of the titration? d) At the end of the titration, the total volume of the NaOH solution added is 200mL, what is the final pH? e) Draw and label the titration curve. as much information as possible. 6. 100 mL of a 2M acetic acid solution is titrated with a 2M NaOH solution. a) What is the pH of the acetic acid solution before any of the NaOH solution is added? b) What volume of the NaOH solution is required to reach the equivalence point of the titration? c) What is the pH at the equivalence point of the titration? d) At the end of the titration, the total volume of the NaOH solution added is 200mL, what is the final pH? e) Draw and label the titration curve. Include as much information as possible. 7. The K sp of PbCl 2 is 1.2x10 -5 . A solution is prepared by adding 0.2 liters of 0.1M Pb(NO 3 ) 2 to 0.3 liters of 0.2M NaCl. a) At equilibrium, what is [Pb +2 (aq)]? b) At equilibrium, what is [Cl -1 (aq)]? c) At equilibrium, how many grams (if any) of PbCl 2 (s) can be found on the bottom of the container? d) Once equilibrium is established, the solution volume is adjusted to be 1 liter by adding water. Equilibrium is now reestablished. How many grams of PbCl 2 (if any) can now be found on the bottom of the container? 8. For the following reaction (Unbalanced): Cu +2 (aq) + Fe(s) Fe +3 (aq) + Cu(s) a) What is being oxidized? b) What is being reduced? c) Write the balanced reaction equation. d) Calculate E o . e) Calculate G o f) Calculate K eq 9. Balance the following redox reactions: a) (Cr 2 O 7 ) -2 (aq) + Fe +2 (aq) Cr +3 (aq) + Fe +3 (aq) b) (BrO 2 ) -1 (aq) (BrO 3 ) -1 (aq) + Br -1 (aq) c) Cu(s) + HNO 3 (aq) Cu(NO 3 ) 2 (aq) + H 2 O(l) + NO(g) d) H 2 SO 4 (aq) + C(s) CO 2 (g) + SO 2 (g) + H 2 O(l) e) NH 3 (aq) +OCl -1 (aq) Cl 2 (g) + N 2 H 4 (g) + OH -1 (aq) #### You've reached the end of your free preview.

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• Spring '08
• SHUMAN
• Pk, 1 Liter, 0.2M
• • •  