Use the Re Use the pull-down boxes to specify states such as (aq) or (s) If a bo

Question

Use the Re 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" Write Reac.. pts 1 pts 2req lo.. 1 pts 2req 1 pts 2req Consider the reaction when aqueous solutions of chromium(III) sulfate and potassium acetate 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 9 more group attempts remaining 1 pts 2req 1 pts 2req Next

Explanation / Answer

The balanced molecular equation is :

Cr2(SO4)3(aq) + 6 CH3COOK(aq) -------> 2 Cr(CH3COO)3(s) + 3 K2SO4(aq)

The total ionic equation is :

2Cr3+(aq) + 3 SO42-(aq) + 6CH3COO-(aq) + 6 K+(aq) ---->  2 Cr(CH3COO)3(s) + 6 K+(aq)+3 SO42-(aq)

spectator ions are : K+(aq) & SO42-(aq)

Net ionic equation is obtained by cancelling the spectator ions

2Cr3+(aq) + 6CH3COO-(aq) ---->  2 Cr(CH3COO)3(s)

This is net ionic eqation

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