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2006 Exam03 - CHE 132S06Ex3 Multiple Choice Identify the...

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CHE 132S06Ex3 Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. 1. Which combination of solutions is the best choice for making a buffer solution? A) equal volumes of 1 M acetic acid and 0.005 M sodium acetate B) equal volumes of 0.5 M nitric acid and 0.5 M sodium hydroxide C) equal volumes of 0.1 M formic acid and 0.1 M sodium formate D) equal volumes of 0.1 M sulfuric acid and 0.001 M sodium sulfate E) equal volumes of 0.05 M hydrochloric acid and 0.075 ammonium chloride 2. Which acid, in combination with its conjugate base, would be the best choice to make a buffer of pH = 4.20? 3. Which statement about the titration of 0.10 M HNO 3 with 0.10 M KOH is not correct? 4. The pH of unpolluted rainwater is approximately
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