calculate the weight of lime (CaO) obtained by heating 200 kg of 95% pure lime stone (CaCO₃)
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Answer:
Correct option: (D) 106.4 kg.
Explanation:
∵ 100 kg impure sample has pure.
CaCO3 = 95 kg.
∴ 200 kg impure sample has pure CaCO3
= (95 x 200 / 100) = 190 kg. CaCO3 → CaO + CO2
∵ 100 kg CaCO3 gives CaO = 56 kg.
∴ 190 kg CaCO3 gives CaO = (56 x 190 / 100) = 106.4 kg.
Aug 22, 2019
Explanation:
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