userdata-paziras-Chem51-HW_06

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Unformatted text preview: ________________ c) – Cr3+ + 3 e → Cr _____________________ d) C2H5OH → C2H4O + H2 _____________________ 5. In the fo llowing reactions, identify which reactant is oxidized and which is reduced: a) 2 Li (s) + F2 (g) → 2 LiF (s) oxidized:__________ b) Cl2 (g) + 2 KI (aq) → 2 KCl (aq) + I2 (g) oxidized:__________ c) reduced:___________ Zn (s) + CuSO4 (aq) → ZnSO4 (aq) + Cu (s) oxidized:__________ d) reduced:___________ reduced:___________ 2 PbO (s) → 2 Pb (s) + O2 (g) oxidized:__________ 2 reduced:___________ Chemistry 51 6. Calculate each of the fo llowing quant it ies: a) Number of mo les in 112 g of aspirin, C9H8O4 Molar mass = Moles = = g x b) Mass of 3.82 mo les of silver acetate, AgC2H3O2 Molar mass = Mass = = mol x c) Number of mo lecules...
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