Upon heating, calcium carbonate decomposes to calcium oxide and carbon dioxide.

Chemistry
Tutor: None Selected Time limit: 1 Day

Upon heating, calcium carbonate decomposes to calcium oxide and carbon dioxide.
(a) Determine the theoretical yield of CO2 if 248.5 g CaCO3 is heated.
 g

(b) What is the percent yield of CO2 if 94.0 g CO2 is collected?

 %

Jun 2nd, 2015

Thank you for the opportunity to help you with your question!

a) CaCO3(s)====>CaO(s) + CO2(g)

248.5 g CaCO3 x 44.00 g CO2/100.1 g CaCO3=109.2 g CO2 

b)(94.0 g/109.2 g) x 100%=86.2385%

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Jun 2nd, 2015

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