Question

6.4×10³¹ atoms of iron weights in grams


Please answer..

I have exam please..​

Answer 1

For Fe atoms molar mass = 56 g/mole.

1 mole =6.023×10

23

atoms

56 g = 6.023×10

23

atoms

1 atom weighs =

6.023×10

23

56

g =9.3×10

−23

g