Limiting Reactants

Use the following balanced equation: 2C₂H₆ + 7O₂ ---> 4CO₂ + 6H₂O

If 15 g of C₂H₆ react with 45 g of O₂, how many grams of water will be produced?

What is the limiting reactant in the equation?

• O₂

• C₂H₆

• H₂O

• CO₂

Use the following balanced equation: 2C₂H₆ + 7O₂ ---> 4CO₂ + 6H₂O

If 15 g of C₂H₆ react with 45 g of O₂, how many grams of water will be produced?

What is the excess reactant in the equation?

• O₂

• C₂H₆

• H₂O

• CO₂

Tags

NGSS.HS-PS1-7

The theoretical yield is the maximum amount of product that can be formed in a chemical reaction based on the amount of limiting reactant.

• True

• False

Tags

NGSS.HS-PS1-7

LIMITING REACTANT OFTEN IS THE REACTANT YOU HAVE THE LEAST OF.

• True

• False

The amount of a product that is formed when the limiting reactant is fully consumed in a reaction is known as the theoretical yield.

• True

• False

Tags

NGSS.HS-PS1-7

The greatest amount of NH3 produced 3.2 moles of N2 and 5.4 moles of H2 is 3.6 moles of NH3. Which is the limiting reactant?

• N2

• H2

P₄ + 3O₂ --> P₄O₆ 
What is the limiting reactant is 12 moles of P₄ react with 15 moles of O₂?

• P₄

• O₂

• P₄O₆ 

• none of the above

• None

• None

In a chemical reaction, the reactant that determines the amount of product formed is called the limiting reactant.

• True

• False