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Review%20for%20Final%20Exam

Review%20for%20Final%20Exam - REVIEW FOR FINAL EXAM CHM 25...

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REVIEW FOR FINAL EXAM CHM 25 Spring, 2009
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What is the mass, in grams, of a single hydrogen atom? a) 9.1 x 10 -24 g b) 1.67 x 10 -24 g c) 1.008 g d) 2.016 g e) 1.7 x 10 -28 g
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A solution of copper (II) sulfate reacts with a piece of zinc metal according to the following reaction: CuSO 4 (aq) + Zn (s) Æ ZnSO 4 (aq) + Cu (s) How many grams of Cu are produced if 8.7 g of Zn are consumed? a) 17.1 g 8 7 b) 8.7 g c) 17.1 g d) 8.5 g e) 5.6 g
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What will happen if solutions of sodium hydroxide and iron (II) chloride are mixed? a) A reaction will occur since iron (II) hydroxide is insoluble. b) A reaction will occur since sodium chloride is insoluble. c) A reaction will not occur since both products are soluble. d) A reaction will not occur since iron(II) hydroxide is insoluble.
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In a molecule of CH 2 O which orbitals on C and O overlap to form a sigma bond according to valence bond theory? a) sp 3 on C and sp 3 on O. b) p on C and p on O. c) sp 2 on C and sp 3 on O. d) sp 2 on C and sp 2 on O.
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Calculate the number of grams of copper (II) sulfate required to prepare 25.0 L of a 0.0015 M copper (II) sulfate solution.
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