Answer:
Step-by-step explanation:
0.01042 moles Fe --how to calculate (0.00521/2 moles X 4 moles) the 2 and 4 are the coefficients in the chemical equation
2.8005 moles O2-- how to calculate (1.867 / 2 X 3 moles O2)
7.155 moles Fe calculate it this way (9.54 / 4 moles Fe X 3 moles O2
0.7707 moles Fe ---(0.578 / 3 moles O2 X 4 moles Fe)