A student was given a standard Cu(s) Cu 2 (aq) half cell and another half cell containing an unknown metal M in 1 00 m M(NO 3 ) 2 (aq) and formed the cell M(s) M (aq) Cu 2 (aq) Cu(s) The cell potential was found to be 20 689 V What is the value of E(M 2 M) ...

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A student was given a standard Cu(s)|Cu 2+ (aq) half-cell and another half-cell containing an unknown metal

Question:

A student was given a standard Cu(s)|Cu²⁺(aq) half-cell and another half-cell containing an unknown metal M in 1.00 m M(NO₃)₂(aq) and formed the cell M(s)|M⁺(aq)||Cu²⁺(aq)|Cu(s). The cell potential was found to be 20.689 V. What is the value of E°(M²⁺/M)?

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