L13 - Reaction of Cl with Co(H2O)62 Lecture 13 Special K Equilibrium 50 mL Co(H2O)62 50 mL Cl50 mL Co(H2O)62 100 mL Cl(aq 50 mL Co(H2O)62 150 mL Cl

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Lecture 13 Special K: Equilibrium Key Idea: There is a dynamic competition between forward and reverse reactions. 50 mL Co(H 2 O) 6 2+ + 50 mL Cl - Reaction of Cl with Co(H 2 O) 6 2+ (aq) 50 mL Co(H 2 O) 6 2+ + 100 mL Cl - 50 mL Co(H 2 O) 6 2+ + 150 mL Cl - Co(H 2 O) 6 2+ (aq) CoCl 4 2 (aq) + 4 + 6 H 2 O ( l ) Changes in concentration Why do the concentrations change and then stop changing? CONCENTRATION (M) [Cl ] [Co(H 2 O) 6 2+ ] [CoCl 4 2 ] 6.00 5.9522 M 0.0381 M 0.0119 M (e.g., 50 ml of 0.1 M CoCl 2 (aq) + 50 ml of 6.0 M CaCl 2 (aq) yields what initial concentrations of ions?) Show that mass is conserved. How are the graphs for the three different starting conditions similar? How do they differ? 0.0119 M 0.0381 M 0.016 M 0.015 M 0.0096 M 0.0154 M H 2 O Cl - Co(H 2 O) 6 2+ CoCl 4 2- Molecular Views How are the 3 images are different? Are the views consistent with the colors of the solutions? Explain. Ratio of
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This note was uploaded on 04/03/2008 for the course CHEM 1A taught by Professor Nitsche during the Fall '08 term at University of California, Berkeley.

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L13 - Reaction of Cl with Co(H2O)62 Lecture 13 Special K Equilibrium 50 mL Co(H2O)62 50 mL Cl50 mL Co(H2O)62 100 mL Cl(aq 50 mL Co(H2O)62 150 mL Cl

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