92g of ethanol is passed over heated alumina at 340-450 °C. What is the mass of the ethene gas produced at 100% yield?
Q1. 92g of ethanol is passed over heated alumina at 340-450 °C. What is the mass of the ethene gas produced at 100% yield?
Answer: 56 g
Explanation: 92g ethanol is 2 moles, which dehydrates to 2 moles of ethene (28g/mol), totaling 56g. 28g assumes only one mole reacted.