Can you help with writing formulas for the ones in part A that precipitate. it\'

Question

Can you help with writing formulas for the ones in part A that precipitate. it's 5 of them

Name: u ele ine section. Report Sheet A. Aqueous Ionic Reactions: Precipitation Reactions NaCl NajPO Na SO 2) 3) 4) b . Pre cip.tar 6) 7) S) 1. Which of the following terms can be used to describe the precipitation reactions? (Check all those that apply). mbination Decomposition o Single replacement o Double replacement o Combustion 2. Of the twelve combinations of solutions, how many combinations resulted in formation of a precipitate? 3. Write molecular equation, total ionic equation and net ionic equation for each case where a precipitate was formed in this experiment. Include details as shown below for each case. Box No: Molecular equation: Ba (NO3)2 a+- Total ionic equation: Ba es 2NO Natag Net ionic equation: Bet(4) t BG Sot ( Ne3f04C41) Ba (ND )2+NaPa 2Po ert

Explanation / Answer

Precipitates forms:

- Most alkali metal (group I metals) are always soluble

- Cations/Anions such as NH4+, HCO3-; ClO3-, NO3- are always soluble

- Most halides are soluble, F-,Cl-,Br-,I-, exceptions = Ag+, Hg2+2, Pb+2 compounds

- Most sulfates are soluble (SO4-2); exceptions = Ag+, Ca+2, Sr+2, Ba+2, Hg2+2, Pb+2 compounds

- In general (except all alkali metals) these ions will NOT be soluble: PO4-3, CrO4-2, S-2, CO3-2

then...

phosphates --> Cu3PO4(s), Ba3(PO4)2

carbonates --> CuCO3, BaCO3

sulfates --> BaSO4

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