## 6N15.

$\Delta G^{\circ} = -nFE_{cell}^{\circ}$

505316964
Posts: 95
Joined: Thu Jul 11, 2019 12:17 am

### 6N15.

6N15.
Calculate the potential of a cell constructed with two nickel electrodes. The electrolyte in one compartment is 1.0 m Ni(NO3)2(aq). In the other compartment, NaOH has been added to a Ni(NO3)2 solution until the pH 5 11.0 at 298 K. See Table 6I.1.

I calculated this by assuming it's a concentration cell and I got 0.3V for E which is the answer in the back of the book.
I didn't use Table 6I.1 at all. Is it a coincidence that I got the correct answer without using Ksp values?

Posts: 52
Joined: Thu Jul 11, 2019 12:16 am

### Re: 6N15.

I don't think it is a coincidence because there is the same species in both cells so it would make sense to assume a concentration cell.

Lindsey Chheng 1E
Posts: 110
Joined: Fri Aug 30, 2019 12:16 am

### Re: 6N15.

505316964 wrote:6N15.
Calculate the potential of a cell constructed with two nickel electrodes. The electrolyte in one compartment is 1.0 m Ni(NO3)2(aq). In the other compartment, NaOH has been added to a Ni(NO3)2 solution until the pH 5 11.0 at 298 K. See Table 6I.1.

I calculated this by assuming it's a concentration cell and I got 0.3V for E which is the answer in the back of the book.
I didn't use Table 6I.1 at all. Is it a coincidence that I got the correct answer without using Ksp values?

Can I ask how you were able to calculate it?