Chemistry Equations: Balancing Au2(SO4)3 + Ba and Determining Reaction Type"

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lexi
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Please help! :confused:

1. Homework Statement [/b
- I need to complete and balance Au2(SO4)3 + Ba ------>
- what type of reaction is this?
is this a redox reaction?
will the reaction go from left to right?



Homework Equations





The Attempt at a Solution


2Au+ 3SO4 + Ba?
 
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If the reaction does occur (I don't have the electric potentials of Au and Ba handy) it is indeed a redox reaction. Barium replaces gold...

Write out the half cell reactions for Au+3 and Ba and go from there. Treat the sulfate as a spectator ion.