CHM 1025C Part A: Qualitative Analysis Cation Post-Lab Report


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From the Pre-lab report copy the Balanced Ion Exchange Reaction then write net ionic equation for each:

Step #3:

Lead II Nitrate (aq) + Hydrochloric Acid (aq)



Ionic Equation:





Silver Nitrate (aq) + Hydrochloric Acid (aq)



Ionic Equation:






Mercury I Nitrate (aq) + Hydrochloric Acid (aq) →



I Ionic Equation:

onic Equation:





Step #6:

Potassium chromate (aq) + Lead Chloride (aq)



Ionic Equation:




Step#7: REDOX reaction forming black Hg solid particle and white ppt on filter paper

Hg2Cl2 (s) + 2 NH3 (aq) Hg (l) + HgNH2Cl (s) + NH41+(aq) + Cl1- (aq)

White black white

Step#9: Soluble Complex Ion Formation

AgCl (s) + 2 NH3 (aq) Ag(NH3)21+(aq) + Cl1-(aq)



Calcium Nitrate (aq) + Ammonium Oxalate [(NH4)2C2O4] (aq)



Ionic Equation: