Answered

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Calcium carbonate decomposes according to the following equation:
CaCO3(s) CaO(s) + CO2(g)
What mass of calcium oxide can be obtained from 20 g of calcium carbonate?
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Explain me please tq

Sagot :

SonamDendup123

Answer:

CaCO3----------CaO+CO2

(40g+12g+16g×3) of CaCO3 produce (40g+16g) of CaO

100g of CaCO3 -----------------56g of CaO

20g of CaCO3-------------------x grams of CaO

x=(20g×56g)÷100g

x=1120gg÷100g

x=11.2g of CaO

Therefore, 11.2grams of CaO from 20grams of CaCO3

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