# Consider the equation: 2C_2H6 + 7O_2 to 4CO_2 + 6H_2O. How many moles of CO_2 are produced by the...

## Question:

Consider the equation: {eq}\rm 2C_2H_6 + 7O_2 \to 4CO_2 + 6H_2O {/eq}.

How many moles of {eq}\rm CO_2 {/eq} are produced by the reaction of {eq}\rm 21.0\ mol\ O_2 {/eq}?

## Stoichiometry Coefficient

The Stoichiometry coefficients are the numbers that are used in balancing the chemical equation before the chemical constituents. It gives the quantitative relation between reactant and product.

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We have the given chemical equation:

{eq}2C_2H_6 + 7O_2 \rightarrow 4CO_2 + 6H_2O {/eq}

From the balanced chemical equation,

7 mole of...

Mole-to-Mole Ratios and Calculations of a Chemical Equation

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Chapter 9 / Lesson 2
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Learn about the mole ratio. Understand the definition of mole ratio, how to find mole ratio in stoichiometry, and see examples of using mole ratio in problems.