Acetylene (C2H2) burns in pure oxygen with a very hot flame. The products of this reaction are carbon dioxide and water. How much oxygen is required to react with 52.0 g of acetylene?

Question

Dana Oneal

Chemistry

29 September, 03:58

Acetylene (C2H2) burns in pure oxygen with a very hot flame. The products of this reaction are carbon dioxide and water. How much oxygen is required to react with 52.0 g of acetylene?

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Burns · Answer 1

2C2H2 + 5O2 - > 4CO2 + 2H2O, this is a balanced equation representation

C2H2 has mole of mass of 26 g/mol, so for 52g acetylene, it's 2 moles

Therefore, 2 moles C2H2 requires 5 moles of O2