Given the equation:2C2H2 (g) + 5O2 (g) → 4 CO2 (g) + 2H2O (g) How many moles of oxygen are required to react completely with 1.0mole of C2 H2? (1) 2.5 (3) 5.0 (2) 2.0 (4) 10

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Chemistry

Darius

12 October, 19:52

Given the equation:2C2H2 (g) + 5O2 (g) → 4 CO2 (g) + 2H2O (g) How many moles of oxygen are required to react completely with 1.0mole of C2 H2? (1) 2.5 (3) 5.0 (2) 2.0 (4) 10

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Addyson Cruz · Answer 1

The answer is (1) 2.5 moles. The ratio of the reactants consumed are the same as the ratio of the coefficient before the compounds. So the moles of oxygen consumed is 1/2*5 = 2.5 moles.