1A_exercise_key_5 - Chapter 5 Exercise Key Chemistry 1A -...

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Chapter 5 Exercise Key Chemistry 1A - Chapter 5 Exercise Key Exercise 5.1 – Ionic Solubility: Predict whether each of the following is soluble or insoluble in water. a. Hg(NO 3 ) 2 soluble b. FeCO 3 insoluble c. SnS insoluble d. K 3 PO 4 soluble e. PbCl 2 insoluble f. Al(OH) 3 insoluble Exercise 5.2 – Precipitation Reactions: Predict whether a precipitate will form when each of the following pairs of water solutions are mixed. If there is a precipitation reaction, write the complete, complete ionic, and net ionic equations that describe the reaction. a. 3 Li 2 CO 3 (aq) + 2 Al(NO 3 ) 3 (aq) 6LiNO 3 (aq) + Al 2 (CO 3 ) 3 (s) 6Li + (aq) + 3CO 3 2 (aq) + 2Al 3+ (aq) + 6NO 3 (aq) 6Li + (aq) + 6NO 3 (aq) + Al 2 (CO 3 ) 3 (s) 3CO 3 2- (aq) + 2Al 3+ (aq) Al 2 (CO 3 ) 3 (s) b. 3 KOH(aq) + Fe(NO 3 ) 3 (aq) 3KNO 3 (aq) + Fe(OH) 3 (s) 3K + (aq) + 3OH (aq) + Fe 3+ (aq) + 3NO 3 (aq) 3K + (aq) + 3NO 3 (aq) + Fe(OH) 3 (s) 3OH (aq) + Fe 3+ (aq) Fe(OH) 3 (s) c. NaC 2 H 3 O 2 (aq) + CaS(aq) No Reaction d. K 2 SO 4 (aq) + Pb(NO 3 ) 2 (aq) 2KNO 3 (aq) + PbSO 4 (s) 2K + (aq) + SO 4 2 (aq) + Pb 2+ (aq) + 2NO 3 (aq) 2K + (aq) + 2NO 3 (aq) + PbSO 4 (s) SO 4 2 (aq) + Pb 2+ (aq) PbSO 4 (s) Copyright 2004 Mark Bishop
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Chapter 5 Exercise Key Exercise 5.3 – Acid and Base Classification: Identify each of the following as either (1) an Arrhenius strong acid, (2) an Arrhenius weak acid, (3) an Arrhenius strong base, (4) an Arrhenius weak base, or (5) not acidic or basic in the Arrhenius sense (neutral). a. HNO 2 weak acid b. lithium hydroxide strong base c. NaCN weak base d. sodium iodide neutral e. NaHSO 4 weak acid f. nitric acid strong acid g. CH 3 OH neutral h. hydrofluoric acid weak acid i. KC 2 H 3 O 2 weak base Exercise 5.4 – Strong, Weak, and Nonelectrolyte: Each of the following substances dissolve in water. Identify each of the following as either a (1) strong electrolyte, (2) weak electrolyte, or (3) nonelectrolyte, and in parentheses write the type of compound each name or formula represents. Al(NO 3 ) 3 strong electrolyte acetic acid weak electrolyte NH 3 weak electrolyte ammonium acetate strong electrolyte HCl(aq) strong electrolyte glucose nonelectrolyte CH 3 OH nonelectrolyte barium chloride strong electrolyte K 2 Cr 2 O 7 strong electrolyte nitric acid strong electrolyte HBrO 2 weak electrolyte 2-propanol (or isopropyl alcohol) nonelectrolyte Copyright 2004 Mark Bishop
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Chapter 5 Exercise Key Exercise 5.5 – Writing Neutralization Equations: For each of the following pairs of possible reactants, predict whether a neutralization reaction will take place between them.
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1A_exercise_key_5 - Chapter 5 Exercise Key Chemistry 1A -...

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