Mole Ratios and Conversions

Front

In every balanced chemical equation, each side of the equation has the same number of ____.

Back

atoms of each element

Front

Where are the numbers for a mole ratio found?

Back

They are found as coefficients in the reaction's balanced chemical equation.

Front

6CO₂ + 6H₂O --> C₆H₁₂O₆ + 6O₂
What is the total number of moles of water needed to make 2.5 moles of C₆H₁₂O₆?

Back

15

Front

4NH₃ + 5O₂ --> 4NO + 6H₂O
What is the total number of moles of H₂O produced when 12 mole of NH₃ is completely consumed?

Back

18

Front

N₂ + 3H₂ → 2NH₃
What is the mole ratio between Nitrogen and Ammonium in the above reaction?

Back

2 moles NH₃ / 1 moles N₂

Front

Define mole ratio.

Back

The ratio of the amounts in moles of any two compounds involved in a chemical reaction.

Front

What is a balanced chemical equation?

Back

An equation that has the same number of atoms of each element on both sides.

Front

How do you determine the coefficients in a balanced equation?

Back

By ensuring that the number of atoms for each element is equal on both sides of the equation.

Front

What is the significance of coefficients in a chemical equation?

Back

Coefficients indicate the relative number of moles of each substance involved in the reaction.

Front

Calculate the moles of H₂O produced from 4 moles of NH₃ in the reaction 4NH₃ + 5O₂ --> 4NO + 6H₂O.

Back

6 moles of H₂O.