A student investigated the reaction between sodium sulfate solution and barium chloride solution.
When these two colorless solutions are mixed, they react to form a white precipitate of barium sulfate and a solution of sodium chloride.
Complete the word equation for this reaction.
....................+barium chloride→barium sulfate+.................... \text{....................} + \text{barium chloride} \rightarrow \text{barium sulfate} + \text{....................} ....................+barium chloride→barium sulfate+....................