dturner1arg
dturner1arg
08-09-2017
Chemistry
contestada
how many atoms are in 5 grams of gold?
Respuesta :
kusi5320
kusi5320
10-02-2019
molar mass = 197 g
given mass = 5 g
avogadro's constant = 6.022 x 10 ^23
therefore no. of atoms = given mass/molar mass x no. Of atoms = 5/197 x 6.022 x 10^23 = 0.25 x 6.022 x 10^23 = 1.5 x10^23 atoms.
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