How many moles of caco3 would have to be decomposed to produce 129 grams of cao?

Question

Madeleine

Chemistry

12 June, 02:09

How many moles of caco3 would have to be decomposed to produce 129 grams of cao?

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Answers (1)

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Rockette · Answer 1

CaCO3 - - - > CaO + CO2

First, calculate the moles of CaO formed,

= 129g : 56 g/mole

= 2.304 moles.

Moles of CaCO3 needed is also 2.304, so you can find its mass,

= 2.304 mole*100 g/mole

= 230.4 grams.