Question

The question is in the photo (Sorry for being lazy lol )

Answer 1

• When Sodium Sulfate is mixed with Barium chloride, the following reaction occurs :

BaCl2 (aq) + Na2SO4 (aq) ------> BaSO4 ( s) + 2 NaCl( aq)

• a precipitate is the solid that forms, the white solide will be BaSO4

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• So option 4 is correct. BaSo4.