Chem 2 MIDTERM 1 Form B KEY

Chem 2 MIDTERM 1 Form B KEY - Midterm 1 Exam Form B CHEM...

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Midterm 1 Exam Form B, CHEM 002 Fall 2007. (Chapters 2, 3, 4 and 6) Name: _________________________  Date: ____________ 1. Which of the solutions below will have the greatest electrical conductivity? a) 0.050 M NaOH    b) 0.050 M NH    c) 0.075 M BaSO 4      d) 0.075 M NaOH     2. The following systematic names: sulfur dioxide, sodium oxide, phosphorous  trifluoride and iron (II) nitrate are represented by which series of chemical formulas?  a) S 2 O 4 , NaO, PF 3  and Fe(NO 3 ) 2 b) SO 2 , NaO, PF 3  and FeNO 3 c) SO 2 , Na 2 O, PF 3  and Fe(NO 3 ) 2 d) SO 2 , Na 2 O, PF 3  and FeNO 3 e) SO 3 , Na 2 O 2 , PF 6  and Fe(NO 3 ) 2   3. What is the % mass of P in Ca 3 (PO 4 ) 2 ? 4. Considering the unbalanced REDOX reaction below: Fe +2    +   MnO 4 -        Fe +3    +   Mn +2 What will the coefficients be for Fe +2  and Mn +2 , respectively, when the equation is  balanced under acidic conditions?
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