Answer:
93,8 gram
Explanation:
4Fe + 3O2 -------t°-----> 2Fe2O3
n fe2o3 = 134 / 160 = 0,8375 mole
n fe = (0,8375 * 4) / 2 = 1,675 mole
m fe = 1,675 * 56 = 93,8 gram