A form three student added sodium carbonate solution to a solution of aluminium chloride in water

A form three student added sodium carbonate solution to a solution of aluminium chloride in water. A white precipitate was formed. The precipitate soon dissolved liberation a colourless gas.
i) What is the white precipitate?

ii) Explain why the precipitate dissolves?

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i) The white precipitate - Aluminium carbonate

ii)Solution of aluminium chloride in water acidic thus it reacts with carbonate/ Aluminium chloride hydrolyses in water

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johnmulu answered the question on January 16, 2017 at 07:27

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