una solución esta compuesta de 21 gr de metano y 32 gr de agua |calcular el numero de moles y las reacciones molares del soluto y del solvente.
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CH4 + H2O→ CO + 3 H2
mol CH4 = 21 g CH4 x 1 mol CH4
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16 g CH4
mol CH4 = 1.313
mol H2O = 32 g H2O x 1 mol H2O
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18 g H2O
mol H2O = 1.778
FRACCIONES MOLARES
n = moles
X soluto = n soluto / (n soluto + n solvente)
X soluto = n soluto / n total
X solvente = n solvente / n total
n total = n soluto + n solvente
n total = 1.313 mol + 1.778 mol
n total = 3.091 mol
Xsoluto = 1.313 mol / 3.091 mol = 0.425
Xsolvente = 1.778 mol / 3.091 mol = 0.575
Xsoluto + X solvente = 1
0.425 + 0.575 = 1
mol CH4 = 21 g CH4 x 1 mol CH4
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16 g CH4
mol CH4 = 1.313
mol H2O = 32 g H2O x 1 mol H2O
``````````````
18 g H2O
mol H2O = 1.778
FRACCIONES MOLARES
n = moles
X soluto = n soluto / (n soluto + n solvente)
X soluto = n soluto / n total
X solvente = n solvente / n total
n total = n soluto + n solvente
n total = 1.313 mol + 1.778 mol
n total = 3.091 mol
Xsoluto = 1.313 mol / 3.091 mol = 0.425
Xsolvente = 1.778 mol / 3.091 mol = 0.575
Xsoluto + X solvente = 1
0.425 + 0.575 = 1
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