Answers

2015-06-14T14:22:16+05:30
CaCO3----> CaO +CO2
molecular weight:
CaCO3 = 100g
CaO = 56g
100 g of CaCO3 give 56g of CaO
pure CaCO3 = 90/100*100 = 90g
So, 90g of CaCO3 will give = 56/100*90 = 50.4g of CaO
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