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)