How you would prepare a pure sample of zinc carbonate starting with zinc oxide

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Yoselin Herman

Chemistry

3 January, 23:06

How you would prepare a pure sample of zinc carbonate starting with zinc oxide

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Caylee Gates · Answer 1

By reacting a soluble zinc salt such as zinc sulphate with a solution of sodium carbonate. The products are zinc carbonate (which is insoluble and forms a white precipitate) and sodium sulphate which is very soluble and so remains in solution; -

ZnSO4 (aq) + Na2CO3 (aq) → Na2SO4 (aq) + ZnCO3 (s)