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Chemistry
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11 Dec 2019

Mg(s) MgSO4 (0.40M) NiSo4 (0.60) Ni(s)

Calculate the cell voltage at 25 degrees C?

How does the voltage change when Mg2+ is decreased by a factorof 4?

How does the voltage change when NI2+ is decreased by a factorof 3?

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Related questions

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(s)half-cell is [Ni2+] = 0.0100 M. The initial cell voltage is +1.12 V. (a) By using data in Table 20.1, calculate the standard emf of this voltaic cell. (b) Will the concentration of Ni2+(aq) increase or decrease as the cell operates? (c) What is the initial concentration of Ag+(aq) in the Ag+–Ag half-cell?


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