daphne51 daphne51

23-04-2019
Chemistry

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

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labiogunjinmi labiogunjinmi

23-04-2019

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)

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