100 g of calcium carbonate decomposes on heating to produce 56 g of Calcium oxide and some carbon dioxide gas. Represent the reaction as a chemical equation & calculate the mass of carbon dioxide gas produced. (write the word equation also)
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Chemical reaction involved is:
cacao3
→CaO+CO 2
Molar mass of CaCO 3
=40+12+16×3=100 g
According 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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