1422-Exam-3-2009

1422-Exam-3-2009 - CHEM 1422 Exam # 3 (April 23, 2009) Name...

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CHEM 1422 Exam # 3 (April 23, 2009) Name (printed): _________________________ Acids/Bases & Redox/Electrochemistry Name (signed): _________________________ Put a big X this box if you want your graded exam put out in the public racks outside Prof. Stanley’s office after grading . If you don’t check it, Prof. Stanley will keep your exam and you will have to stop by to pick it up from him personally. 1. (5 pts) Consider the following anions. Using fundamental concepts we have discussed in class, which one would be the weakest conjugate base and give rise to the strongest acid. Circle your choice and provide clear reasoning for your answer. a) AsO 4 3 b) F c) PH 2 d) CO 3 2 e) PF 6 2. (5 pts) [N(CH 3 ) 2 ] is a stronger base than OH . If 0.1 moles of [N(CH 3 ) 2 ] is added to 1 L of water, what will the resulting pH be? Circle the answer (yes, the correct answer is there) and clearly explain your reasoning below. a)
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1422-Exam-3-2009 - CHEM 1422 Exam # 3 (April 23, 2009) Name...

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