45. For the reaction 4FeCl2(aq) + 3O2(g) → 2Fe2O3(s) + 4Cl2(g), what volume of a 0.620 M solution of FeCl2 is required to react completely with 7.26 ×1021 molecules of O2?
(A) 6.45 × 103 mL
(B) 9.97 mL
(C) 14.6 mL
(D) 25.9 mL
(E) 5.61 mL

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統計: A(0), B(0), C(0), D(3), E(1) #3840055

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這題考查的是化學計量 (Stoichi...
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