Consider the following reaction:2A + B ----- 3C + DIf 3.0 mol A and 2.0 mol B react to form 4.0 mol C, what is the percent yield of this reaction?
Question
Consider the following reaction:2A + B ----- 3C + DIf 3.0 mol A and 2.0 mol B react to form 4.0 mol C, what is the percent yield of this reaction?
Solution
Para resolver este problema, sigamos los siguientes pasos:
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Escribir la ecuación balanceada:
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Determinar los moles teóricos de que se pueden formar:
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Según la estequiometría de la reacción, 2 moles de reaccionan con 1 mol de para producir 3 moles de .
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Primero, determinamos cuál es el reactivo limitante.
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Si tenemos 3.0 moles de :
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Si tenemos 2.0 moles de :
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El reactivo limitante es porque produce menos moles de .
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Calcular el rendimiento teórico:
- El rendimiento teórico de es 4.5 moles (determinado por el reactivo limitante ).
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Calcular el rendimiento real:
- El rendimiento real de es 4.0 moles (dado en el problema).
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Calcular el porcentaje de rendimiento:
Por lo tanto, el porcentaje de rendimiento de esta reacción es 88.89%.
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