shrey

use this words to write a little story...what, when, white, ship, shake, wish, them, then, think....

Which of the following samples contains the greatest number of atoms. 1) 100g of Pb 2) 5g of He 3) 2.0 moles of Ar 4) 0.1 mole of Fe 5) 20 million O2 molecules not sure how to go about this and would appreciate any insight