chapter4q - Chapter 4 The Major Classes of Chemical...

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Unformatted text preview: Chapter 4 The Major Classes of Chemical Reactions 1. Potassium chloride, KCl, sodium sulfate, Na 2 SO 4 , glucose, C 6 H 12 O 6 , carbon dioxide, CO 2 and ammonium phosphate, (NH 4 ) 3 PO 4 , are soluble in water. Which one produces the largest number of dissolved particles per mole of dissolved solute? A. KCl B. Na 2 SO 4 C. C 6 H 12 O 6 D. CO 2 E. (NH 4 ) 3 PO 4 3. How many moles of ions are released when 0.27 mol of cobalt(II) chloride, CoCl 2 , is dissolved in water? A. 0.81 mol B. 0.54 mol C. 0.27 mol D. 0.18 mol E. 0.090 mol 9. Which of the following will be least soluble in water? A. potassium sulfate, K 2 SO 4 B. ammonium nitrate, NH 4 NO 3 C. chloromethane, CH 3 Cl D. calcium chloride, CaCl 2 E. ethanol, C 2 H 6 O 11. Which of the following solutions will be the best conductor of electrical current? A. methyl alcohol, CH 3 OH( aq ) B. glucose, C 6 H 12 O 6 ( aq ) C. potassium chloride, KCl( aq ) D. bromine, Br 2 ( aq ) E. ethylene glycol, C 2 H 6 O 2 ( aq ) 13. Which one of the following substances, when dissolved in water at equal molar concentrations, will give the solution with the...
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chapter4q - Chapter 4 The Major Classes of Chemical...

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