How many moles of 02 are required to react completely with 6.9 moles C6H14, express your answer using two significant integers

Explanation:

1. Chemical equation

The reaction of C₆H₁₄ with O₂ is the combustion of an hydrocarbon. Such reactions yield CO₂ and water.

The chemical equation is:

Which when balanced is:

2. Mole ratio

The coefficients on the balanced chemical equation tell the relative amounts of each substance, reactants and products, that participate on the chemical reaction.

Round to two significant figures: 66 mol of O₂ ← answer

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