Atom Economy and % Yield

Question 1

What does atom economy tell us?

Answer 1

How much of the products are wasted

Question 2

What is the equation for atom economy?

Answer 2

atom economy = (useful products/all products) x 100

Question 3

What is % yield?

Answer 3

A measurement of how much reactant is converted/wasted

Question 4

What is the equation for % yield?

Answer 4

% yield = (actual moles of product/theoretical moles of product) x 100

Question 5

How do you identify the limiting reagent?

Answer 5

1. work out the number of moles of each
2. take into account the ratio in the equation
3. work out the % yield from the moles of the limiting reactant