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A voltaic cell is constructed from an Ni2+(aq)−Ni(s) half-cell and an Ag+(aq)−Ag(s) half-cell. The initial concentration...

A voltaic cell is constructed from
an Ni2+(aq)−Ni(s) half-cell and
an Ag+(aq)−Ag(s) half-cell.
The initial concentration of Ni2+(aq) in the Ni2+−Ni half-cell is [Ni2+]= 1.80×10−2 M . The initial cell voltage is +1.12 V .

Part A

By using data in Table 20.1 in the textbook, calculate the standard emf of this voltaic cell.
E∘ =
V

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Part B

Will the concentration of Ni2+(aq) increase or decrease as the cell operates?

Will the concentration of increase or decrease as the cell operates?

will increase
will decrease

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Part C

What is the initial concentration of Ag+(aq) in the Ag+−Ag half-cell?

Express your answer using one significant figure.
[Ag+(aq)]i =

M

Solutions

Expert Solution

queen_honey_blossom answered 2 years ago
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