A-LevelChemistryAtoms, molecules and stoichiometry9701/12 · May/June 2018 · Q151 Mark
To manufacture cement, 1000 million tonnes of limestone are decomposed each year. To manufacture lime for agriculture, 200 million tonnes of limestone are decomposed each year. What is the total mass of carbon dioxide in million tonnes produced from these two processes in a year?
A440
B528
C660
D880
✓ Correct answer
B: 528
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