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OpenStudy (dennydrotz):
What is the mass of 2.56 × 10–4 moles of Fe2O3? A. 4.09 × 10–2 g B. 159.6 g C. 6.23 × 105 D. 1.60 × 0–6 g
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OpenStudy (jiteshmeghwal9):
1 mole of Fe2O3 weighs ----> 160 gm 2.56* 10^{-4} mole weighs ----> 160*2.56*10^{-4} gm
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