Question

A chemist prepares a 45.0-g sample of carbon tetrachloride (CCl4). How many moles of this compound has she prepared? (Note: The atomic weight of carbon is 12.0 and of chlorine is 35.5.) how do i do this?

Answer 1

1 mole of carbon tetrachloride is 154 grams. Divide the sample by the molar mass to get the number of moles. It should be about 0.292 moles