When to use units of mole?


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Tiffany Chao 2H
Posts: 117
Joined: Fri Aug 09, 2019 12:17 am

When to use units of mole?

Postby Tiffany Chao 2H » Sun Mar 01, 2020 4:47 pm

Whenever the problem asks for a calculation that requires the Nernst's equation, the solution manual never shows n (the number of moles) to be in the units of moles. For example, if the redox reaction used 2 moles, it would be 0.0257 V/2 instead of 0.0257 V/2 moles. Is there a reason why for this?
When calculating w max for 6N.17, they used the mole unit however. They wrote w max = -(1 mole)(96485 J/V.mol)(0.0874 V). I'm unsure on when and when not to use "mole".

Thanks

Daniel Chen 2L
Posts: 101
Joined: Fri Aug 30, 2019 12:15 am

Re: When to use units of mole?

Postby Daniel Chen 2L » Sun Mar 01, 2020 4:49 pm

Would it not be better to just include the unit in your calculations? I'm not too sure if you can just leave it out or not.

Ruby Richter 2L
Posts: 103
Joined: Thu Jul 25, 2019 12:17 am

Re: When to use units of mole?

Postby Ruby Richter 2L » Sun Mar 01, 2020 11:18 pm

If you use it in your calculations for each term when it applies and the units cancel I don't think you'd need to use it.


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