A perchloric acid solution has a density of 1.5400 g/mL and a molarity of 9.200 M. Determine the parts per thousand and parts per million...

A perchloric acid solution has a density of 1.5400 g/mL and a molarity of 9.200 M. Determine the parts per thousand and parts per million concentration of perchloric acid in the solution. This is a practice problem I have for an exam and I am confused, please help.