27 A 25 0 mm x 40 0 mm piece of gold foil is 0 25 mm thick

Last updated: 7/3/2023

27 A 25 0 mm x 40 0 mm piece of gold foil is 0 25 mm thick The density of gold is 19 32 g cm How many gold atoms are in the sheet Atomic weight Au 197 0 b 1 5x 10 23 c 4 3 1021 23 a 7 7 10 d 1 47 x 1022