Examples - Chapter 16

Examples - Chapter 16 - Example 16 - 1 Which of the...

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Example 16 - 1 Which of the following can act as a buffer? (a) (b) KHSO 4 2 SO 4 (c) Na 2 HPO 4 2 PO 4 (d) KNO 2 2 ________________________________________________________ 1
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Example 16 - 2 What is the pH of a solution containing 0.30 M HCOOH (pK a = 3.77) and 0.52 M HCOOK? ________________________________________________________ 2
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Example 16 - 3 How would you prepare a liter of “carbonate buffer” at a pH of 10.10? You are provide with carbonic acid (H 2 CO 3 ), sodium hydrogen carbonate (NaHCO 3 ), and sodium carbonate (Na 2 CO 3 ). 3
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Example 16 - 4 A buffer solution contains 0.30 M NH 3 and 0.36 M NH 4 Cl. Calculate the pH . .. (a) of the initial buffer solution. (b) after the addition of 20.0 mL of 0.050 M NaOH to 80.0 mL of the buffer solution. ________________________________________________________ 4
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Example 16 - 5 When 25.0 mL of an HCl solution of unknown concentration is titrated with 0.100 M NaOH, the equivalence point was reached after the addition of 17.6 mL of the NaOH solution.
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This note was uploaded on 04/14/2010 for the course CHEM 53463 taught by Professor Hierl during the Spring '10 term at Kansas.

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Examples - Chapter 16 - Example 16 - 1 Which of the...

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