Question

calculate the number of moles of iron in a sample containing 1.0×10^22 atoms​

Answer 1

Answer:

0.0166057788

Step-by-step explanation:

number of atoms = number of molecules

1.0×10^22= number of molecules

no of moles = number of molecules/ NA

= 0.1×10^23/6.022×10^23

= 0.0166057788