Q) What weight of calcium oxide will be formed on heating 19.3g of calcium carbonate??
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Answer:
CaCO3 → CaO + CO2
Moles = Mass / Mr
19.3 / 100.0869 = 0.1928324286 mol
Mol Ratio = 1:1
Mass = Moles x Mr
0.1928324286 x 56.0774 = 10.8135412327
= 10.8 grams
BTW grams is a unit of mass, not weight, which is a force due to gravity.
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