Question

Calcium chloride reacts with sodium sulphate to form a white precipitate of calcium

sulphate and a solution of sodium chloride. A student weighs the flask again and found

no change in the weight of the flask. He opened the flask now, what do you think about the

change in the mass of the flask?

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Answer 1

Answer:

Solution. When sodium sulphate and barium chloride are mixed together in their solid forms, no formation of products takes place. But when sodium sulphate and barium chloride are mixed together in their aqueous form, the formation of barium sulphate takes place. The formed product is white in color.

Answer 2

Solution. When sodium sulphate and barium chloride are mixed together in their solid forms, no formation of products takes place. But when sodium sulphate and barium chloride are mixed together in their aqueous form, the formation of barium sulphate takes place. The formed product is white in color.