How do i convert 3.00 moles H2 to molecules ?

3 moles x 6.02 x 10²³ molecules/mole

Explanation:

if 1 mole contains 6.02 x 10²³ molecules, how many molecules in 3 moles?

the answer to your question is c.

if you read the house of usher you should know that the house was haunted

false

because it does not have the potential to be entirely used up