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InterviewSolution
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What weight of calcium bicarbonate should be heated to obtain 2.4 x (10)23 molecules of co2 |
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Answer» tion:Chemical reaction INVOLVED is:CaCO 3 →CaO+CO 2 Molar MASS of CaCO 3 =40+12+16×3=100 gAccording to the balanced reaction 100 g of CaCO 3 produces 1 mol of CO 2 i.e. 22.4 L at STP.∴50 g CaCO 3 will produce 10022.4 ×50=11.2 L CO 2 at STP. |
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