What is the mass of 4.3

Question

×
10 to the power of15 atoms of nickel
(Ni)?

Answer 1

1 mol Ni contains 6.022E23 Ni atoms.
mols Ni = (4.3E15/6.022E23) = ?
Then 1 mol Ni has a mass of about 58.7 g; therefore, ? mols Ni x 58.7 g/mol = ? g Ni.