OER.GroupQuiz2.docx - J Muench Group Quiz#2 name partners 1...

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J. Muench Group Quiz #2 ________________ name ___________________, ________________, _______________, _________________ partners 1. Classify the following compounds as either a strong, weak, or non-electrolyte: MgBr 2 , HCHO 2 , (CH 3 ) 3 N, C 5 H 10 O 5 , KOH, KCl, HBr, CH 3 CH 2 OH, NH 4 NO 3 , and NH 3 . Strong Electrolyte Weak Electrolyte Non-Electrolyte 2. Consider the following five reactions for the next questions. I. Ni (s) + HCl (aq) II. (NH 4 ) 2 CO 3(aq) + Na 3 PO 4(aq) III. Sn (s) + Ca(NO 3 ) 2(aq) IV. MnCl 2(aq) + CaS (aq) V. Ag 2 CO 3(s) + HNO 3(aq) a. Which of the above will not produce any reaction? (2 reactions) b. Which of the above will produce a gas as one of its products? (2 reactions) c. Which of the above will produce a precipitate (solid)? (1 reaction) 3. A saturated solution of Ca(OH) 2 is analyzed by titrating it with a known solution of HCl. A 100.0mL sample of the Ca(OH) 2 solution requires 48.8mL of a 0.0500M HCl solution to reach the endpoint. The balanced molecular equation for this neutralization reaction is: Ca(OH) 2(aq) + 2HCl (aq) 2H 2 O (l) + CaCl 2(aq) . What is the molarity of the Ca(OH) 2 solution?
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  • Fall '09
  • Exam #2

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