Limiting Reactants

Question 0

How to find the value of the excess reactant.

Answer 0

• put x over the excess reactant.
• put the given value over the limited reactant.
• cross multiply. That is how much is used.
• after that you subtract the given amount of the excess, by what you got above.

Question 1

Limiting reactants steps

Answer 1

• Put the x over the variable in each equation
• put the given value of the reactants over the reactants.
• if it’s mass to mass, then use the molar mass.
• cross multiply, the smaller answer is the limited reactant.

Question 2

What is the theoretical yield.

Answer 2

The amount of stuff in the given reaction. With the limited reagent.