Answer:
The answer to your question is letter B.
Explanation:
Process
1.- Calculate the molecular mass of Ferric oxide
Fe = 56g x 2 = 112 g
O = 16 x 3 = 48 g
Mass = 112 + 48 = 160 g
2.- Calculate the mass of 0.7891 moles of Ferric oxide
160 g of Fe₂O₃ ------------- 1 mol
x ------------- 0.7891 mol
x = (160 x 0.7891) / 1
x = 126.2 g
