Question

Iron forms rust, expressed as: Fe2O3. Using information from the Periodic Table, what is the mass of one mole of Fe2O3?

A.
71.85 g

B.
143.70 g

C.
159.70 g

D.
319.40 g

Answer 1

moles = mass divided by molar mass
Mass = moles * molar mass
Molar mass of Fe2O3 is around 159.7gmol^-1
Mass = 1 * 159.7= 159.7g Therefore C

Answer 2

thanks

Answer 3

Medal maybe ?

Answer 4

lol ya