A mole of atoms, ions, molecules, or anything else contains Avogadro's number, 6.022 x 1023, of these units. A mole of ascorbic acid (vitamin C), C6H8O6, has a mass of 176.0 g. If you ingest a vitamin C tablet containing 4.5 x 1022 carbon atoms, what was the mass, in milligrams, of the tablet, assuming that the tablet is 100% pure?