2.76 g of silver carbonate (at. mass of Ag = 108 ) on being heated strongly yields a residue  weighing ?

Silver carbonate decomposes as:

2Ag2CO3 (s) → 4Ag (s) + 2CO2 (g) + O2 (g)

  552 g   432g

552 g of AgNO3 gives 432 g of Ag (residue)

Therefore,

2.76 g of AgNO3 gives  g of Ag (residue)

  • 56
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