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31 July, 12:00

C. in the reaction of copper and silver nitrate, a new substance appeared in the test tube. describe the physical appearance of the substance and identify its chemical formula

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  1. 31 July, 13:32
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    Cu (s) + 2AgNO₃ (aq) = Cu (NO₃) ₂ (aq) + 2Ag (s)

    The solution of copper (II) nitrate and metallic silver formed in the reaction.

    Colourless solution becomes blue due to the formation of the copper (II) aquacomplex.

    Cu²⁺ + 4H₂O = [Cu (H₂O) ₄]²⁺

    blue
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