Experiment1

=go back  = =Qualitative Analysis Lab =

**Hill's Big Time Chemistry Corp. performed an experiment to observe precipitate formation.**

1) BaCl2 (Barium Chloride) 2) AgNO3 (Silver Nitrate) 3) Pb(NO3)2 (Plumbous Nitrate)
 * Solutions: **

A) K2CrO4 (Potassium Chromate) B) HCl (Hydrochloric Acid) C) Na2HPO4 (Sodium Monohydrogen Phosphate)
 * Reagents: **



** ↑ These were our visible observations: ↓  ** || K2CrO4 (Potassium Chromate) || HCl (Hydrochloric acid) || Na2HPO4 (Sodium Monohydrogen Phosphate) || (Barium Chloride) || Milky yellow || No visible reaction || White || (Silver Nitrate) || Dark red/brown Seemed to sink || Milky white Collected in middle || Yellow || (Plumbous Nitrate) || Yellow Paint-like || Milky white Bubbling || Milky white || **These are the products of the chemical reactions between the solutions and the reagents: ** (Potassium Chromate) || HCl (Hydrochloric acid) || Na2HPO4 (Sodium Monohydrogen Phosphate) || (Barium Chloride) || BaCrO4 || No Reaction || BaHPO4 || (Silver Nitrate) || Ag2CrO4 || AgCl || Ag2HPO4 || (Plumbous Nitrate) || PbCrO4 || <span style="font-family: Arial,Helvetica,sans-serif;">PbCl2 || <span style="font-family: Arial,Helvetica,sans-serif;">PbHPO4 || <span style="font-family: Arial,Helvetica,sans-serif;"> **<span style="font-family: Arial,Helvetica,sans-serif; text-align: center; display: block;">These following chemical reactions are the ** <span style="font-family: Arial,Helvetica,sans-serif; text-align: center; display: block;"> <span style="display: block; font-family: Arial,Helvetica,sans-serif; text-align: center; font-size: 120%;">1A) Ba²+ + CrO4²- → BaCrO4 1B) No Reaction 1C) Ba²+ + HPO4²- → BaHPO4 2A) Ag+ + CrO4²- → Ag2CrO4 2B) Ag+ + Cl- → AgCl 2C) Ag+ + HPO4²- → Ag2HPO4 3A) Pb²+ + CrO4²- → PbCrO4 3B) Pb²+ + HPO4²- → PbHPO4 <span style="font-family: Arial,Helvetica,sans-serif; text-align: center; display: block;">
 * BaCl2
 * AgNO3
 * Pb(NO3)2
 * <span style="font-family: Arial,Helvetica,sans-serif;"> || <span style="font-family: Arial,Helvetica,sans-serif;">K2CrO4
 * <span style="font-family: Arial,Helvetica,sans-serif;">BaCl2
 * <span style="font-family: Arial,Helvetica,sans-serif;">AgNO3
 * <span style="font-family: Arial,Helvetica,sans-serif;">Pb(NO3)2
 * <span style="font-family: Arial,Helvetica,sans-serif; text-align: center; display: block;">net ionic equations for the reactions in the lab: **