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2 November, 04:06

Chemical equation for:

Cuprite, copper (I) oxide

Chalcocite, copper (I) sulfide

Covellite, copper (II) sulfide

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Answers (1)
  1. 2 November, 05:03
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    Chemical formula for cuprite is Cu₂O. Copper has oxidation number + 1 and oxygen has - 2 (2· (+1) + (-2) = 0).

    Chemical formula for chalcocite is Cu₂S. Copper has oxidation number + 1 and sulfur has - 2 (2· (+1) + (-2) = 0).

    Chemical formula for covellite is CuS. Copper has oxidation number + 2 and sulfur has - 2.
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