Calculate the Cell Potential for the Following Unbalanced Reaction That $\mathrm { Cr } ^ { 3 }$

question 1

Multiple Choice

Calculate the cell potential for the following unbalanced reaction that takes place in an electrochemical cell at 25 °C when [ $\mathrm { Cr } ^ { 3 }$ ] = 0.945 M and [ $\mathrm { Zn } ^ { 2 + }$ ] = 1.37 M
$\quad$$\quad$ Zn(s) + $\mathrm { Cr } ^ { 3+ }$ (aq) ? $\mathrm { Zn } ^ { 2 + }$ (aq) + Cr(s)
E°(Zn²⁺/Zn) = -0.76 V and E°(Cr³⁺/Cr) = -0.73 V

• A)+0.03 V
• B)-0.03 V
• C)-1.18 V
• D)+1.18 V
• E)+0.49 V

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