0.1 M Al(NO3)3 0.1 M Mg(OH)2 0.1M CUSO4 0.1M Cu(NO3)2 Substance B. Testing the conductivity of reactions (Watch the video) a. 0.1M KNO3 and 0.1M Na2CO3 KNO3 Na2CO3 KNO3 + Na2CO3 Net ionic equation: Lightup Many Lightup Many Substance Observation CH3COOH Experiment 3 b. 0.1 M CH3COOH and 0.1 M NH4OH NHCH Lightup Many Lightup Many Strong Lightup Mang ektar 103- 2003 Strong 2K C03 Balanced equation: 2KNO3(aq) + Na2 (03(aq) K2 (03 (aq) + 2 Ma MO3(aq) No, few, or many ions? Total ionic equation: 2k+ (aq) + 2NO3- (aq) + 2Na+ (aq) + (03 - (aq) 2k + (aq) + C032-(aq) + 2Na + (aq) + 2NO3- (aq) Observation Species present 2k+ (aq) + (03- (aq) K2(03(aq) 2- 2k+ 2NO3- Nat, (03- No, few, or many ions? Light up Fow light up Few Species Present CH3 COOH(aq) H20(1) Strong Strong NH4 Strong, weak or nonelectrolyte Strong Ott- HH3 +0 Week Adapted from "Reactions in Aqueous Solutions" by David Reichgott and Mary O'Brien, Edmonds Community College, Lynnwood, Washington and "Reactions in Aqueous Solutions