Author Question: If the percent yield for the following reaction is 65.0%, how many grams of KClO3 are needed to ... (Read 99 times)

CQXA · **on:** Jul 8, 2021

Question 1

If the density of ethanol, C₂H₅OH, is 0.789 g mL^-1. How many millilitres of ethanol are needed to produce 15.0 g of CO₂ according to the following chemical equation?

C₂H₅OH(l) + 3 O₂(g) → 2 CO₂(g) + 3 H₂O(l)

◦ 6.19 mL
◦ 9.95 mL
◦ 19.9 mL
◦ 39.8 mL

Question 2

If the percent yield for the following reaction is 65.0%, how many grams of KClO₃ are needed to produce 32.0 g of O₂?

2 KClO₃(s) → 2 KCl(s) + 3 O₂(g)

◦ 53.1 g
◦ 81.7 g
◦ 126 g
◦ 283 g

xthemafja · **Reply #1 on:** Jul 8, 2021

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