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Rec4a_f04 - Recitation Activity 4(Chem 121 1 Chapter 4 If...

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Recitation Activity 4 (Chem 121) Chapter 4 1. If you mixed together aqueous solutions of the following reactants, in which cases would you expect to observe a precipitation reaction? If a reaction does take place write a balanced chemical equation and the net ionic equation corresponding to the reaction. a. Lead (II) nitrate + Copper (II) chloride Pb(NO 3 ) 2 (aq) + CuCl 2 (aq) PbCl 2 (s) + Cu(NO 3 ) 2 (aq) [Full Equation] Pb 2+ (aq) + 2Cl (aq) PbCl 2 (s) [Net Ionic Equation] b. Sodium hydroxide + Barium hydroxide NaOH (aq) + Ba(OH) 2 (aq) No Reaction (both products are soluble) 2. Which combination will produce a precipitate? A) NaC 2 H 3 O 2 (aq) and HCl (aq) B) NaOH (aq) and HCl (aq) C) AgNO 3 (aq) and Ca(C 2 H 3 O 2 ) 2 (aq) D) KOH (aq) and Mg(NO 3 ) 2 (aq) E) NaOH (aq) and HCl (aq) 3. Oxidation cannot occur without _______________________. Explain? (a) air (b) oxygen (c) reduction (d) acid (e) water 4. Please provide the oxidation state for each element in the following equation and indicate
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Rec4a_f04 - Recitation Activity 4(Chem 121 1 Chapter 4 If...

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