If an aqueous solution of ____ is added to a mixture of cl â and so42â

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01-04-2020
Chemistry

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If an aqueous solution of ____ is added to a mixture of cl â and so42â

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aabdulsamir aabdulsamir · Answer 1 · 2020-04-05T04:12:41+02:00

Answer:

If an aqueous solution of Ba(NO3)2 is added to a mixture of chloride and sulfate, the sulfate ion will precipitate as BaSO4 because it is insoluble in water but the chloride ion will remain in the solution.

Explanation:

Ba(NO₃)₂ reacts with a chloride salt XCl to form BaCl₂ which is soluble in water while BaSO₄ precipitate since sulphate salt of barium is insoluble in water. This is an elemental test for anions to determine which element is present in an unknown solution. This is used to differentiate between if a sulphate or chloride is present in a given compound.