How do you find the number of moles in a substance if you have the density and the molecular weight?
2 answers
#moles = grams/molar mass. You don't need the density if you have grams.
Okay I think I wrote the question wrong.
You need to find the number of moles in 5mL of the substance given the density and the molecular weight.
You need to find the number of moles in 5mL of the substance given the density and the molecular weight.