Ionic Reactions Lab Essay

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Ocean County College Department of Chemistry Chem 180 Lab 5: Ionic Reactions Submitted by Abstract: The purpose of this experiment is to work with aqueous solutions of ionic substances. Aqueous solutions are those solutions in which water is the solvent. When ionic substances are dissolved in water, the ions separate and become surrounded by water molecules. The focus of this experiment is on precipitates. The goal of this experiment is to study the nature of ionic reactions, write balanced equations, and to write net ionic equations for precipitation reactions. A detailed view of the results can be found in the table below. Cations used: Barium, Copper, Iron, Sodium, Cobalt, Nickel Anions used: Nitrate, Carbonate,…show more content…
2 NO3- (aq) Net Ionic Equation: Co 2+ (aq) + PO4 3- (aq) ( CoPO4 (s) 9) Well C1 Balanced: Fe(NO3)2 (aq)+ Na3PO4 (aq) ( FePO4 (s) + Na(NO3)2 (aq) Fe 3+ (aq) + 2 NO3- (aq) + 3 Na+ (aq) + PO4 3- (aq) ( FePO4 (s) + 3 Na+ (aq) + 2 NO3- (aq) Net Ionic Equation: Fe 3+ (aq) + PO4 3- (aq) ( FePO4 (s) 10) Well E6 Balanced: Ni(NO3)2 (aq) + Na2CO3 (aq) ( NiCO3 (s) + Na2(NO3)2 (aq) Ni 2+ (aq) + 2 NO3- (aq) + 2 Na+ (aq) + CO3 2- (aq) ( NiCO3 (s) + 2 Na+ (aq) + 2 NO3- (aq) Net Ionic Equation: Ni 2+ (aq) + CO3- (aq) ( NiCO3 (s) Experimental Results: |Co(NO3)2 |Co(NO3)2 |Co(NO3)2 |Co(NO3)2 |Co(NO3)2 |Co(NO3)2 |Co(NO3)2 | |+ |+ NaI |+ Na2SO4 |+ NaCl |+NaHCO3 |+Na2CO3 |+NaOH | |Na3PO4 |NK |NK | |Light Precipitate |Precipitate Pink |Precipitate | | | | |NK |Pink | |Dark Green | |Precipitate | | | | | | | |Purple | | | | | |
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