Transcription of CHAPTER 4: ANSWERS TO ASSIGNED PROBLEMS
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CHAPTER 4: ANSWERS TO ASSIGNED PROBLEMS
1 CHAPTER 4: ANSWERS TO ASSIGNED PROBLEMS Hauser- General Chemistry I revised 10/14/08 You are presented with three white solids, A, B, and C, which are glucose (a sugar substance), NaOH, and AgBr. Solid A dissolves in water to form a conducting solution. B is not soluble in water. C dissolves in water to form a nonconducting solution. Identify A, B, and C. AgBr is an ionic solid that is NOT soluble in water. Since A and C dissolve in water, B is AgBr. C dissolves in water but does not conduct a current, so it cannot be ionic. C is glucose. Substance A dissolves in water and is comprised of soluble ions. Substance A is NaOH. Which of the following ions will always be a spectator ion in a precipitation reaction?
CHAPTER 4: ANSWERS TO ASSIGNED PROBLEMS ... Examine the following reactions and identify whether or not a REDOX (oxidation-reduction) reaction has occurred. If REDOX has occurred, ... 0.20 M KCl 1 X 0.20 mol/L = 0.20 M K+ 0.15 M K 2CrO 4 2 X 0.15 mol/L = 0.30 M K+ 0.080 M K 3PO
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