What is the standard cell potential, E°, for thisreaction? Standard ReductionPot

Question

What is the standard cell potential, E°, for thisreaction?                           Standard ReductionPotentials                               E°                             Mn2+(aq) + 2e- --->Mn(s)                             -1.18 V                             AuCl4-(aq)+ 3e- ---> Au(s) +4Cl-(aq)             +1.00V Please EXPLAIN youranswer. What is the standard cell potential, E°, for thisreaction?                           Standard ReductionPotentials                               E°                             Mn2+(aq) + 2e- --->Mn(s)                             -1.18 V                             AuCl4-(aq)+ 3e- ---> Au(s) +4Cl-(aq)             +1.00V Please EXPLAIN youranswer.

Explanation / Answer

{Mn(s)  ---> Mn2+(aq) +2e-  }x3                           +1.18V
{AuCl4-(aq) + 3e- --->Au(s) +4Cl-(aq)}x2            +1.00V Final reaction 3Mn(s) +2AuCl4-(aq)  ---> 3Mn2+(aq)+ 2Au(s) + 8Cl-(aq) Eocell = +1.18 + 1.00 =+2.18V Hope that helps

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