Question

If 10.56mole of chalk are decomposed how many moles of carbon dioxide will produce?

Answer 1

Chalk formula: CaCO₃

Mass of 1 mole of CaCO₃ = 100g

Reaction: CaCO₃ → CaO + CO₂

1 mole CaCO₃ gives 1 mole CO₂

10.56 moles of CaCO₃ will give 10.56 moles of CO₂

That is 10.56 x 44 = 464.64 g of CO₂

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