Exam 8: Applications of Aqueous Equilibria
Exam 2: Atoms, Molecules, and Ions61 Questions
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Exam 6: Chemical Equilibrium71 Questions
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Exam 8: Applications of Aqueous Equilibria171 Questions
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Exam 13: Bonding: General Concepts135 Questions
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Exam 15: Chemical Kinetics119 Questions
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Exam 18: The Representative Elements122 Questions
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Calculate the pH when 200.0 mL of a 1.00 M solution of H2A (Ka1 = 1.0 10-6, Ka2 = 1.0 10-10) is titrated with the following volumes of 1.00 M NaOH.
-400.0 mL of 1.00 M NaOH
(Multiple Choice)
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A 50.0-mL sample of 2.0 10-4 M CuNO3 is added to 50.0 mL of 4.0 M NaCN. Cu+ reacts with CN- to form the complex ion Cu(CN)32-:
The concentration of Cu+ at equilibrium is

(Multiple Choice)
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A 10-mL sample of tartaric acid is titrated to a phenolphthalein endpoint with 20. mL of 1.0 M NaOH. Assuming tartaric acid is diprotic, what is the molarity of the acid?
(Multiple Choice)
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A titration of 100.0 mL of 1.00 M malonic acid (H2A) was done with 1.00 M NaOH. For malonic acid, Ka1 = 1.49 10-2, Ka2 = 2.03 10-6.
-Calculate [H+] after 150.0 mL of 1.00 M NaOH has been added.
(Multiple Choice)
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Calculate the pH when 200.0 mL of a 1.00 M solution of H2A (Ka1 = 1.0 10-6, Ka2 = 1.0 10-10) is titrated with the following volumes of 1.00 M NaOH.
-300.0 mL of 1.00 M NaOH
(Multiple Choice)
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If 22 mL of 0.50 M HCl is added to 112 mL of 0.20 M NaOH, what is the final pH?
(Multiple Choice)
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Which of the following compounds has the lowest solubility, in moles per liter, in water at 25°C?
(Multiple Choice)
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A solution of hydrochloric acid of unknown concentration was titrated with 0.11 M NaOH. If a 150-mL sample of the HCl solution required exactly 12 mL of the NaOH solution to reach the equivalence point, what was the pH of the HCl solution?
(Multiple Choice)
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It is observed that 7.5 mmol of BaF2 will dissolve in 1.0 L of water. Use these data to calculate the value of Ksp for barium fluoride.
(Multiple Choice)
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The concentration of Al3+ in a saturated solution of Al(OH)3 at 25°C is 5.2 10-9 M. Calculate the Ksp for Al(OH)3.
(Multiple Choice)
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Consider the following information about the diprotic acid ascorbic acid (H2As for short, molar mass = 176.1).
The titration curve for disodium ascorbate, Na2As, with standard HCl is shown below:
-What major species is(are) present at point III?


(Multiple Choice)
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