1. 2. 3. Use the pull-down boxes to specify states such as (aq) or (s). If a box

Question

1.

2.

3.

Use the pull-down boxes to specify states such as (aq) or (s). If a box is not needed leave it blank. If no reaction occurs leave all boxes blank and click on "Submit". Consider the reaction when aqueous solutions of chromium(III) bromide and ammonium nitrate are combined. (Use the solubility rules provided in the OWL Preparation Page to determine the solubility of compounds.) The net ionic equation for this reaction is: 2 Submit Answer Retry Entire Group 8 more group attempts remaining

Explanation / Answer

CrBr3(aq) + 3NH4NO3(aq) -----------> Cr(NO3)3 (aq) + 3NH4Br(aq) molecular equation

Cr^+3 (aq)+3Br^-(aq) + 3NH4^+ (aq) +3NO3^-(aq) -----------> Cr^+3(aq) +3(NO3)^- (aq) + 3NH4^+ (aq) +3Br^-(aq) ionic equation

no net ionic equation

2. K2CO3(aq) + Pb(NO3)2(aq) ----------------> PbCO3(s) + 2KNO3(aq)

     2K^+ (aq) +CO3^2-(aq) + Pb^2+ (aq) +2(NO3)^-(aq) ----------------> PbCO3(s) + 2K^+ (aq) +2NO3^-(aq)

removal of spectator ions to get net ionic equation

CO3^2-(aq) + Pb^2+ (aq) ----------------> PbCO3(s)   net ionic equation

3.

Pb(NO3)2(aq) + 2NH4Cl(aq) ---------------> PbCl2(s) + 2NH4NO3(aq)

Pb^+2(aq) +2(NO3)^-(aq) + 2NH4^+ (aq) +2Cl^-(aq) ---------------> PbCl2(s) + 2NH4^+ (aq) +2NO3^-(aq)

removal of spectator ions to get net ionic equation

Pb^+2(aq) +2Cl^-(aq) ---------------> PbCl2(s) net ionic equation

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