Question

How can the coefficients in a balanced chemical reaction be used to convert from moles of a reactant to moles of a product?

Answer 1

Answer:

The balanced equation of a reaction contains the stoichiometric ratios of the reaction and products; these ratios can be used for mole to mole convert from the mass of anthor .

Answer 2

By the stoichiometry we have to convert moles of a reactant to moles of a product.

Explanation :

Balanced chemical reaction : It is defined as the reaction in which the number of atoms of individual elements present on reactant side must be equal to the product side.

The reactants and products are separated by right arrow.

The species present on the left side of the right arrow is known as reactants and the species present on the right side of the right arrow is known as products.

If the amount of atoms of each type on the left and right sides of a reaction differs then to balance the equation by adding coefficient in the front of the elements or molecule or compound in the chemical equation.

The coefficient tell us about that how many molecules or atoms present in the chemical equation.

By the stoichiometry we have to convert moles of a reactant to moles of a product.

For example :

The unbalanced chemical reaction is,

$H_2+O_2\rightarrow 2H_2O$

This reaction is an unbalanced chemical reaction because in this reaction number of hydrogen atoms are not balanced.

In order to balance the chemical equation, the coefficient '2' put before the $H_2$ and we get the balanced chemical equation.

The balanced chemical reaction will be,

$2H_2+O_2\rightarrow 2H_2O$

By the stoichiometry we can say that, 2 moles of hydrogen gas react with 1 mole of oxygen gas to give 2 moles of water as a product.

Learn more about : stoichiometry

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