The weight of a residue obtained by heating 2.76 g of silver carbonate is

  1. A

    2.76 g

  2. B

    2.98 g

  3. C

    2.16 g

  4. D

    2.44 g

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    Solution:

    2Ag2CO3       4Ag+2CO2+O2

    2×276=552             4×108

    552 gm silver carbonate gives silver = 432 gm

     2.76  gm silver carbonategives

             = 432×2.76552=2.16gm

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