Answer:
SO3 is a nonpolar molecule and SO2 is a polar molecule.
Explanation:
As can be seen in the attached, the SO3 molecule has a trigonal planar geometry. Each individual double bond of S=O is polar but the molecule has symmetrical geometry so the dipole momentums are canceled.
On the other hand, the SO2 molecule has a trigonal planar electron geometry but an angular molecular geometry due to the unbound electron pair. This unbound electron pair creates a total dipole momentum with negative density over the electron pair.
The reaction is:
(C₂H₃O₂)²⁻ + NH₄⁺ = (NH₄)(C₂H₃O₂).
and 
are the spectator ions.
<h3><u>Explanation:</u></h3>
The reactants in the reaction is sodium acetate and ammonium carbonate. They form the soluble molecule sodium carbonate and slightly soluble ammonium acetate. This is a double displacement reaction.
Spectator ions in the reaction are those ions which are present in the reaction but they actually don't take part in the reaction that's happening and they remain same before and after the reaction. In this reaction, the spectator ions are sodium and carbonate which remain in ionized form in the solution before and after the reaction.
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Deff- a deep cut or tear in skin or flesh or the action of criticizing someone severely.
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