When barium chloride solution is added to sodium sulphate solution, a white precipitate is formed. What is the chemical formula of the white precipitate?
Answer and explanation
Correct answer: C.
- Step 1: Double displacement reaction: .
- Step 2: Barium sulphate is insoluble in water and precipitates as a white solid.
Answer
.
Why not the others: Sodium chloride is highly soluble in aqueous solution; barium sulfide is a different soluble compound; and sodium sulphate is the original reactant.
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