Question

number of atom in 560 g of fe is :
( given atomic mass of fe = 56g/mol

Answer 1

given ,
atomic mass of fe=56u
therefore molar mass=56g
now,
n=m/M
n=560/56=10
therefore no. of moles =10
since number of moles=number of atoms
therefore no of atoms =10
hope it's the required answer...