How many moles in 2.45 x 10^45 atoms of sodium, Na? A. 4.07 x 10^21 moles B. 1.47 x 10^47 moles C. 4.07 x 10^467 moles D. 1.678 moles please only answer if you know and please show your work
Good News! Here is a sheet to show you how to perform mole calculations: http://www.sciencewithmrjones.com/downloads/chemistry/moles/how_to_perform_mole_calculations.pdf