Acetylene, C2H2, used in welders’ torches, burns according to the following equation:a. Ho...

Acetylene, C2H2, used in welders’ torches, burns according to the following equation:

a. How many molecules of oxygen are needed to react with 22.0 g of acetylene?

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b. How many grams of carbon dioxide could be produced from the complete reaction of the acetylene in part a?

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c. If the reaction in part a produces 64.0 g of CO2, what is the percent yield for the reaction?