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Postby CaminaB_1D » Wed Oct 03, 2018 9:40 pm

In the equation V=n/c, what does the 'n' represent?

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Re: V=n/c

Postby jonathanjchang2E » Wed Oct 03, 2018 9:48 pm

n is the moles of solute

Shubham Rai 2C
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Re: V=n/c

Postby Shubham Rai 2C » Wed Oct 03, 2018 9:57 pm

That equation is derived from the equation c = n/V where c represents the molarity of a solution, n the moles of the substance being dissolved and V represents the volume of the solution.

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Re: V=n/c

Postby Mallory_Podosin_1H » Wed Oct 03, 2018 11:01 pm

On an extended note for this -
What is the difference between M and m? All of the similar variables are confusing me... If someone is interested in simply laying out all the different variables related to Molarity that would be amazingly helpful!

Erica Li 1C
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Re: V=n/c

Postby Erica Li 1C » Thu Oct 04, 2018 4:36 pm

I'm not sure if "m" is used for molarity, but I think M refers to molarity (molar concentration), and "m" is used to denote the units for meters and I guess "m" can also be used to symbolize mass??

Tyra Nguyen 4H
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Re: V=n/c

Postby Tyra Nguyen 4H » Thu Oct 04, 2018 4:56 pm

During Professor Lavelle's lecture, he also said that he would use M to represent molarity concentration. However, in the textbook (at least in the 6th edition), molarity concentration is represented as the variable "c".

Linh Vo 2J
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Re: V=n/c

Postby Linh Vo 2J » Thu Oct 04, 2018 6:27 pm

To answer the above extended question of the difference between m and M, I believe that m represents the molar mass of an element, while M represents the molarity of the element.

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Re: V=n/c

Postby becca_vandyke_4b » Thu Oct 04, 2018 7:46 pm

I think in my discussion our TA wrote molar mass out as Mr (but that might just be what she does) where as molarity is always a capital M. I would make sure you don't mix that up in because there are other equations in chemistry such as p=mv for momentum problems where m=mass.

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