Mole to Mole Ratio Chemistry

Front

What is a mole in chemistry?

Back

A mole is a unit of measurement used to express the amount of a substance. It is defined as the amount of substance that contains the same number of entities (atoms, molecules, etc.) as there are in 12 grams of carbon-12.

Front

What is the mole-to-mole ratio?

Back

The mole-to-mole ratio is a conversion factor derived from the coefficients of a balanced chemical equation, indicating the relative amounts of reactants and products involved in a reaction.

Front

How do you determine the mole ratio from a balanced equation?

Back

To determine the mole ratio, identify the coefficients of the reactants and products in the balanced equation. The coefficients represent the number of moles of each substance.

Front

In the reaction 4NH₃ + 5O₂ → 4NO + 6H₂O, what is the mole ratio of NH₃ to O₂?

Back

The mole ratio of NH₃ to O₂ is 4:5.

Front

In the reaction N₂ + 3H₂ → 2NH₃, what is the mole ratio of H₂ to NH₃?

Back

The mole ratio of H₂ to NH₃ is 3:2.

Front

What is the significance of balancing a chemical equation?

Back

Balancing a chemical equation ensures that the law of conservation of mass is obeyed, meaning that the number of atoms of each element is the same on both sides of the equation.

Front

What coefficient is needed to balance the equation N₂ + O₂ → __ NO?

Back

The coefficient needed to balance the equation is 2.

Front

In the equation 2Al₂O₃ → 4Al + 3O₂, what is the mole ratio of Al to O₂?

Back

The mole ratio of Al to O₂ is 4:3.

Front

If 2 moles of C₆H₁₂O₆ are combusted, how many moles of CO₂ are produced in the reaction C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂O?

Back

12 moles of CO₂ are produced.

Front

What is the mole ratio of products to reactants in a balanced equation?

Back

The mole ratio of products to reactants is determined by the coefficients of the products and reactants in the balanced equation.