What are the spectator ions in the following complete ionic equation: Ba2 (aq) 2I−(aq) 2Na (aq) SO2−4(aq)→BaSO4(s) 2I−(aq) 2Na (aq).

QuestionsCategory: ChemistryWhat are the spectator ions in the following complete ionic equation: Ba2 (aq) 2I−(aq) 2Na (aq) SO2−4(aq)→BaSO4(s) 2I−(aq) 2Na (aq).
Lisa Howell asked 6 months ago
What are the spectator ions in the following complete ionic equation: Ba2+(aq)+2I−(aq)+2Na+(aq)+SO2−4(aq)→BaSO4(s)+2I−(aq)+2Na+(aq). Thank you so much!!!

1 Answers
Lisa Howell answered 6 months ago
To find the spectator ions just look at what can be canceled on each side of the equation. Ba2+ cannot.
2I- can.
SO4^2- can not(although you made a typo there in the post).
2Na+ can.
The net ionic equation is
Ba^2+(aq) + SO4^2-(aq) ==> BaSO4(s)
Everything else is a spectator ion.

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