0.125 moles x 6.02x10^23 atoms/mole = 7.53x10^22 atoms
2,89 moles of aluminium contain 17,40398707673.1023 atoms.
This is equivalent to 1,4 moles.
1,0.10e9 atoms is equivalent to 0,166.10e-14 moles.
Seventeen moles of hydrogen correspond to 204,75.10e23 atoms.
2,50 moles of silicon contain 15,055352142.10e23 atoms.
2,89 moles of aluminium contain 17,40398707673.1023 atoms.
2,2 moles of plutonium: 13,248711938.1023 atoms.
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 !.
To determine the number of gold atoms in the bracelet, first find the number of moles of gold present in the bracelet by multiplying the total moles of metal atoms by the percentage of gold. Then, use Avogadro's number (6.022 x 10^23) to calculate the number of gold atoms present in the bracelet.