Answer to Question #344845 in Chemistry for Larry

Question

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Assign oxidation number to all atoms in each of the following: (10pts)

1.    AuCl₃         Au = ____     Cl = ____
2.    H₂O₂          H = ____    O = ____
3.    O₃            O = ____
4.    Na₂C₂O₄        Na = ____   C = ____    O = ____
5.    SO₃             S = ____    O = ____

4. A concentration cell is constructed by placing identical Cu electrodes in two Cu²⁺ If the concentrations of the two Cu²⁺solutions are 1.0 M and 0.0020 M, calculate the potential of the cell. (3pts)

 

 

 

 

5. Calculate the potential (in volts) for the voltaic (or galvanic) cell indicated at 25^o (3pts)

Ga | Ga³⁺ (10^-6 M) || Ag⁺ (10^-4 M) | Ag