Assignment:
The only possible ions in an aqueous solution are ion, barium, carbonate, chloride and nitrate.
The following are observed:
i) the original solution contains only dissolved species.
ii) adding silver ion to the solution produces no precipitates.
iii) adding sulfate ion to the original solution produces a white precipitate.
a) Which ion(s) are definitely present in the original solution?
b) Which ions(s) are definitely absent from the original solution?
Provide complete and step by step solution for the question and show calculations and use formulas.