5 kg and 90 percent pure CaCO3 when heated how many grams of CaO produces
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2.61 kg CaO will be produced
rahuldey51:
but how
90%pure, that means 5×90/100 =4.5 kg CaCO3. Now molecular weight of CaCO3 = 40+12+16×3 =100 & Ca0 = 40 +16=56. so from 100 kg of caco3 we get 56 kg cao . then by unitary method from 4.5 kg caco3 we will get 2.52 kg cao
sorry my former answer was wrong
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