1,638 moles contain 9,864266723766.10e23 atoms.
20 moles
This is equivalent to 1,4 moles.
There are twice as many oxygen atoms as carbon atoms in carbon dioxide, so 100.0 moles of carbon dioxide would contain 200.0 moles of oxygen atoms.
1,0.10e9 atoms is equivalent to 0,166.10e-14 moles.
Seventeen moles of hydrogen correspond to 204,75.10e23 atoms.
8.93 1021 atoms equal 0,0148 moles.
2,50 moles of silicon contain 15,055352142.10e23 atoms.
10,0 moles of bromine atoms contain 60,22140857.1023 atoms.Attention: valid for bromine atoms !.
The number of chlorine atoms in 2,00 moles of CCl4 is 48,113.10e23.
6,1x10-3 moles of carbon 36,7350592277.1020 atoms.
4,515.10e24 atoms of magnesium is equal to 7,5 moles.
2,80 1024 atoms of silicon equals 0,465 moles.