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Carbon dioxide is added to 112 g of calc...

Carbon dioxide is added to 112 g of calcium oxide. The product formed is 200 g of calcium carbonate. Calculate the mass of carbon dioxide used. Which law of chemical combination will govern your answer?

Text Solution

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1) Let x g of carbon dioxide is added to 112 g of calcium oxide.
2) The product is 200 g of calcium carbonate
3) According to law of conservation of mass,
Total mass of reactants=Total mass of products
x+12=200 g
x=88 g
`therefore` 80 g of carbon dioxide is used.
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