Equilibrium: Co(H2O)6 2+ (aq) + 4 Cl-(aq) ⇌ CoCl4 2- (aq) + 6 H2O (l) pink blue a. You put 5 mL of stock solution into each of five test tubes. (25 mLs divided evenly into 5 test tubes). Test tube 1 was your control. To test tube 2, you added some water. Which direction did the equilibrium shift? How do you know? b. To test tube 3 you added some silver nitrate. Did this shift the equilibrium? If so, how is that possible as silver ion and nitrate ion are not in the equation? c. To test tube 5, you put the stock solution into hot water and it turned blue; then you put it into ice water and it turned pink. Explain what happened.
Equilibrium: Co(H2O)6 2+ (aq) + 4 Cl-(aq) ⇌ CoCl4 2- (aq) + 6 H2O (l) pink blue a. You put 5 mL of stock solution into each of five test tubes. (25 mLs divided evenly into 5 test tubes). Test tube 1 was your control. To test tube 2, you added some water. Which direction did the equilibrium shift? How do you know? b. To test tube 3 you added some silver nitrate. Did this shift the equilibrium? If so, how is that possible as silver ion and nitrate ion are not in the equation? c. To test tube 5, you put the stock solution into hot water and it turned blue; then you put it into ice water and it turned pink. Explain what happened.
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter12: Chemical Equilibrium
Section12.4: The Meaning Of The Equilibrium Constants
Problem 12.6CE
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Equilibrium: Co(H2O)6 2+ (aq) + 4 Cl-(aq) ⇌ CoCl4 2- (aq) + 6 H2O (l) pink blue
a. You put 5 mL of stock solution into each of five test tubes. (25 mLs divided evenly into 5 test tubes). Test tube 1 was your control. To test tube 2, you added some water. Which direction did the equilibrium shift? How do you know?
b. To test tube 3 you added some silver nitrate. Did this shift the equilibrium? If so, how is that possible as silver ion and nitrate ion are not in the equation?
c. To test tube 5, you put the stock solution into hot water and it turned blue; then you put it into ice water and it turned pink. Explain what happened.
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