2Al + 3CrO → Al2O3 + 3Cr
Mm CrO = 68 g/mol
Al = 27 g/mol
Al2O3 = 101.96 g/mol
A) g = 1.1 mol x 101.96 g/mol = 112.15 g de Al2O3 B ) mol Al: 125 g / 27 g /mol = 4.63 mol mol CrO: 225 g / 68 g /mol= 3.30 mol
Calcular moles de Al2O3 A PARTIR DE LOS MOLES CALCULADOS
Mol Al2O3 = 3.30 mol CrO x (1 mol Al2O3 / 3 mol) = 1.1 mol Al2O3
MOL Al2O3 = 4.63 mol x ( 1 mol Al2O3 / 2 mol ) = 2.32 mol Al2O3
REACTIVO LIMITANTE= CrO (1.1 mol Al2O3=
C) 1,1 (2 mol Al)(27 g Al / 1mol-g Al )= 59,56 g Al
Sobran: (125 - 59,56)= 65,44g Al D) % RENDIMIENTO = 90 g Al2O3 / 112.15 g x 100
% = 80.25
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2Al + 3CrO → Al2O3 + 3Cr
Mm CrO = 68 g/mol
Al = 27 g/mol
Al2O3 = 101.96 g/mol
A) g = 1.1 mol x 101.96 g/mol = 112.15 g de Al2O3
B ) mol Al: 125 g / 27 g /mol = 4.63 mol
mol CrO: 225 g / 68 g /mol= 3.30 mol
Calcular moles de Al2O3 A PARTIR DE LOS MOLES CALCULADOS
Mol Al2O3 = 3.30 mol CrO x (1 mol Al2O3 / 3 mol) = 1.1 mol Al2O3
MOL Al2O3 = 4.63 mol x ( 1 mol Al2O3 / 2 mol ) = 2.32 mol Al2O3
REACTIVO LIMITANTE= CrO (1.1 mol Al2O3=
C) 1,1 (2 mol Al)(27 g Al / 1mol-g Al )= 59,56 g Al
Sobran: (125 - 59,56)= 65,44g Al
D) % RENDIMIENTO = 90 g Al2O3 / 112.15 g x 100
% = 80.25