5. You have already seen how to calculate the number of moles given the mass of a
sample and its chemical formula. But can you calculate the number of moles in a liquid sample, given its volume and its chemical formula?
(Hint: you need an additional piece of information in addition to its volume. What is that
additional piece of information you need?)

5 You have already seen how to calculate the number of moles given the mass of a sample and its chemical formula But can you calculate the number of moles in a class=