The detailed answer provides the balanced chemical equation, confirms the formation of a precipitate, and classifies the reaction type.
(a) The balanced chemical equation for the reaction is: Ba(NO3)2(aq) + Na2SO4(aq) -> BaSO4(s) + 2NaNO3(aq).
(b) Yes, a precipitate of barium sulfate (BaSO4) forms in this reaction.
(c) This reaction is a double displacement reaction, also known as a precipitation reaction, where two ionic compounds switch ions to form two new compounds.
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