IGCSE Chemistry 0620/21/O/N/21 Q9

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9 The formula of an aluminium ion is Al3+.

What is the formula of aluminium sulfate?

A Al 2SO4 B Al(SO4)2 C Al 2(SO4)3 D Al 3(SO4)2

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    2022-05-11T15:26:56+08:00

    Aluminium ion: Al 3+

    Sulphate ion: SO4 2-

    Aluminium sulphate: Al2(SO4)3

    Ans: C Al2(SO4)3

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