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chap8 Solutions - Chapter 8 Solutions 8.1 Multiple-Choice...

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Chapter 8 Solutions 8.1 Multiple - Choice Questions 1) The O - H bond in water is polar because A) it is an ionic bond. B) oxygen is much more electronegative than hydrogen. C) oxygen occupies more space than hydrogen. D) hydrogen is much more electronegative than oxygen. E) it is a hydrogen bond. Answer: B 2) A hydrogen bond is 3) In a solution, the solvent 4) Which of the following molecules can form hydrogen bonds? 5) A solution is prepared by dissolving 2 g of KCl in 100 g of H2O. In this solution, H2O is the A) solute. B) solvent. C) solution. D) solid. E) ionic compound. Answer: B 6) Oil does not dissolve in water because A) oil is polar. B) oil is nonpolar. C) water is nonpolar. D) water is saturated. E) oil is hydrated. Answer: B Page 95 7) When KCl dissolves in water 8) Water is a polar solvent and hexane (C6H14) is a nonpolar solvent. Which of the following correctly describes the solubility of the solute?
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9) In water, a substance that ionizes completely in solution is called a 10) An equivalent is A) the amount of ion that has a 1 + charge. B) the amount of ion that has a 1 - charge. C) the amount of ion that carries 1 mole of electrical charge. D) 1 mole of any ion. E) 1 mole of an ionic compound. Answer: C 11) How many equivalents are present in 5.0 g of Al3 + ?
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