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Mm CaCO3 = 100 g/mol
CO2 = 44 g/mol
CaO = 56 g/mol
a) mol CaCO3 = 50 g x 1 mol
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100 g
mol CaCO3 = 0.5
mol CaO = 28 g CaO x 1 mol
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56 g
mol CaO = 0.5
mol = masa/ Mm
masa = 0.5 mol x 44 g/mol = 22 g de CO2
b )
g CaO =150 g CaCO3 x 1 molCaCO3 x 1 mol CO2 x 56 g CaO
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100 g CacO3 1 mol CaCO3 1mol CO2
g CaO= 84 g