CH3OH (l) + CO (g) →CH3COOH (l)In an experiment 15.0 g methanol and 10.0 g carbon monoxide were placed in a reaction vessel. b) If the actual yield is 19.1 g, what is the percentage yield?
Question
CH3OH (l) + CO (g) →CH3COOH (l)In an experiment 15.0 g methanol and 10.0 g carbon monoxide were placed in a reaction vessel. b) If the actual yield is 19.1 g, what is the percentage yield?
Solution
Para resolver este problema, sigamos los siguientes pasos:
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Determinar los moles de cada reactivo:
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Para el metanol (CH₃OH):
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Para el monóxido de carbono (CO):
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Determinar el reactivo limitante:
La reacción es: La relación molar es 1:1 entre CH₃OH y CO.
Comparando los moles disponibles:
El CO es el reactivo limitante porque hay menos moles de CO que de CH₃OH.
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Calcular la cantidad teórica de ácido acético (CH₃COOH) producida:
Dado que el CO es el reactivo limitante, la cantidad de CH₃COOH producida será igual a los moles de CO disponibles:
La masa molar del CH₃COOH es:
La masa teórica de CH₃COOH es:
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Calcular el rendimiento porcentual:
El rendimiento porcentual se calcula con la fórmula:
Sustituyendo los valores:
Por lo tanto, el rendimiento porcentual es 89.1%.
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