SPRING BREAK PRACTICE II

SPRING BREAK PRACTICE II - X. KNO 3 Y. NaNO 2 Z. LiClO 4 4....

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Wednesday, March 15, 2011 – SPRING BREAK PRACTICE II ! =] 1. Br 2 (g) + 3F 2 (g) 2BrF 3 (g) | K p = 5.4 x 10 5 A container initially contains 0.30 atm Br 2 (g) and 0.60 atm F 2 (g). What is the pressure of Br 2 (g) at equilibrium? 2. Sulfuric acid is a diprotic acid for which K a1 is very large and K a2 = 0.012. Which of the following species has the largest concentration in 0.10 M H 2 SO 4 ? A. OH - B. SO 4 2- C. HSO 4 - D. H + E. H 2 SO 4 3. Which of the following 0.10 M solutions would have a pH of 7.0?
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Unformatted text preview: X. KNO 3 Y. NaNO 2 Z. LiClO 4 4. What is the pH of a solution produced by adding 0.20 mol NaOH to 0.60 mol of lactic acid, HC 3 H 5 O 3 . Assume a total volume of 1.0 Liter. K a = 1.4 x 10-4 for lactic acid. 5. What amount of sodium acetate must be dissolved in 400 mL of 0.30 M CH 3 COOH in order to produce a buffer of pH 5.00? Ka = 1.8 x 10-5 for CH 3 COOH (acetic acid)...
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SPRING BREAK PRACTICE II - X. KNO 3 Y. NaNO 2 Z. LiClO 4 4....

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