20 gram of calcium carbonate on heating gives when 11.2 gram of calcium oxide and 4.48 litres of Co2 at ntp show that the results illustrate the law of conservation of mass
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atomic mass of calcium carbonate=20 grams
molecular mass of calcium carbonate =caco3
100.086
the calcium carbonate then on heating
=11.2
calcium oxide Cao
= 36
the law of conservation of mass
20/100=20 grams
11.2/100.08=11.2 gm
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