•1 dozen = 12
1 ream = 500
1 pair = 2
1 gross = 144
1 mol = 6.022 x 1023 •Counting this number would take 2000 trillion years; a mole of sand could cover LA in 600 meters of sand; a mole of marbles would cover Earth in 50 miles of marbles; but!
a mole of water you can cup in one hand! •An element that weighs as much as the number of grams listed on the PeriodicTable has a mol, 6.022 x 1023, atoms in it