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truethyy
Using the equation, 4Fe + 3O2 2Fe2O3, if 111.6 g of iron react, what mass of oxygen was consumed?
m=n mr 111.6=n 55.8 nFe=2, so nO2=1.5, see the comparison of their coefisien. then, m=n mr m=1.5 32 m=48 gram
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