What is the net ionic equation for the reaction of aqueous calcium acetate and a

Question

What is the net ionic equation for the reaction of aqueous calcium acetate and aqueous sodium carbonate? What is the balanced equation for hydrogen phosphate ion (HPO_4^2-) acting as a Bronsted base in a reaction with water? What are the spectator ions in the reaction between aqueous hydrobromic acid and aqueous sodium hydroxide? Which molecule in the reaction below is the reducing agent? Which species is oxidized in the reaction below? What is the oxidation number of iodine in potassium periodate, KIO_4?

Explanation / Answer

1.

the overall reaction is given as:

where "Ac" is the acetate ion

CaAc2 + Na2CO3 = CaCO3(s) + 2NaAc

then,

CaCO3 is not soluble, it will precipitate/react

so

net ionic

Ca+(aq) + CO3-2(aq) = CaCO3(s)

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