Use measured cell potential to calculate concentration. When [ Hg2+ ] = 1.46 M, the observed cell potential at 298K for an electrochemical cell with the reaction shown below is 2.150 V. What is the Mn2+ concentration in this cell? Hg2+ (aq) + Mn (s) Hg (1) + Mn²+ (aq) [ Mn²+ ] = M

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**Use Measured Cell Potential to Calculate Concentration**

When \([ \text{Hg}^{2+} ] = 1.46 \, \text{M}\), the observed cell potential at 298 K for an electrochemical cell with the reaction shown below is \(2.150 \, \text{V}\). What is the \(\text{Mn}^{2+}\) concentration in this cell?

\[\text{Hg}^{2+} \, (\text{aq}) + \text{Mn} \, (\text{s}) \rightarrow \text{Hg} \, (\text{l}) + \text{Mn}^{2+} \, (\text{aq})\]

\[[ \text{Mn}^{2+} ] = \, \boxed{\phantom{M}}\]
Transcribed Image Text:**Use Measured Cell Potential to Calculate Concentration** When \([ \text{Hg}^{2+} ] = 1.46 \, \text{M}\), the observed cell potential at 298 K for an electrochemical cell with the reaction shown below is \(2.150 \, \text{V}\). What is the \(\text{Mn}^{2+}\) concentration in this cell? \[\text{Hg}^{2+} \, (\text{aq}) + \text{Mn} \, (\text{s}) \rightarrow \text{Hg} \, (\text{l}) + \text{Mn}^{2+} \, (\text{aq})\] \[[ \text{Mn}^{2+} ] = \, \boxed{\phantom{M}}\]
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