Chapter 10

Question 1

How are mole ratio and volume ratio of gases related?

Answer 1

For chemical reactions involving gaseous reactants and products, the mole ratio of gases is the same as the volume ratio of the gases.

Question 2

What determines the amount of product formed?

Answer 2

The amount of a product formed in a reaction is always determined by the amount of the limiting reactant.

Question 3

How to calculate percentage yield?

Answer 3

actual yield
_____________ x 100%
theoretical yield

Question 4

How to calculate percentage purity?

Answer 4

mass of pure substance in sample
___________________________ x 100%
mass of sample