19H1 (2) - Name Date 1 In which one of the following...

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Name: __________________________ Date: _____________ 1. In which one of the following solutions will acetic acid have the greatest percent ionization? A) 0.1 M CH 3 COOH B) 0.1 M CH 3 COOH dissolved in 1.0 M HCl C) 0.1 M CH 3 COOH plus 0.1 M CH 3 COONa D) 0.1 M CH 3 COOH plus 0.2 M CH 3 COONa 2. Which one of the following is a buffer solution? A) 0.40 M HCN and 0.10 KCN B) 0.20 M CH 3 COOH C) 1.0 M HNO 3 and 1.0 M NaNO 3 D) 0.10 M KCN E) 0.50 M HCl and 0.10 NaCl 3. Which one of the following combinations cannot function as a buffer solution? A) HCN and KCN B) NH 3 and (NH 4 ) 2 SO 4 C) HNO 3 and NaNO 3 D) HF and NaF E) HNO 2 and NaNO 2 4. Which of the following is the most acidic solution? A) 0.10 M CH 3 COOH and 0.10 M CH 3 COONa B) 0.10 M CH 3 COOH C) 0.10 M HNO 2 D) 0.10 M HNO 2 and 0.10 M NaNO 2 E) 0.10 M CH 3 COONa 5. Calculate the pH of a buffer solution that contains 0.25 M benzoic acid (C 6 H 5 CO 2 H) and 0.15 M sodium benzoate (C 6 H 5 COONa). [K a = 6.5 × 10 - 5 for benzoic acid] A) 3.97 B) 4.83 C) 4.19 D) 3.40 E) 4.41 Page 1
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6. A solution is prepared by mixing 500. mL of 0.10 M NaOCl and 500. mL of 0.20 M
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This homework help was uploaded on 04/20/2008 for the course CHEM 1300/ taught by Professor Ballester during the Fall '08 term at Nova Southeastern University.

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19H1 (2) - Name Date 1 In which one of the following...

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