Chem again ! what is the mass of 38.4 mol of the element nickel (ni)?

M(Ni) = 58.7 g/mol

38.4 mol *58.7 g/1 mol = 38.4*58.7 g ≈ 2254 ≈ 2250 g Ni

i think it's c. if you look search electronic symbol on google and then click on wiki it shows you a