How do you convert liters to moles?

Question

How do you convert liters to moles?

Thanks!

In our lab experiment, we used these amounts and I need to find the theoretical yield and percent yield. I don't know so I guess I need to convert the mL first, but don't know how.


2.99g C7H603 + 6 mL C4H603 + 7 drops HP3O4 = 2.9512g C9H804

We were trying to make aspirin

I found out from my instructor, that you can do this by using the density formula D=M/V. I thought that it needed to be a gas to use this, but apparently not!

Answer 1

It depends on liters of WHAT substance.

Answer 2

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Answer 3

if it's a gas and you have pressure and temperature, use pV=nRT.
if it's a solution with molarity M, use the definition M = moles / L.
Liters is a volume, and moles measures numbers of molecules, so there's not really a direct way to go between them, you need some other equality relations like shown above

Answer 4

PV = nRT.....n = moles... n = PV/RT = (1atm) x (893 L) / ((0.0821 Latm/moleK) x (273K)) = 39.8 moles ***** alternately ****** because of the fact the others have purely approximately stated... a million mole of a perfect gasoline occupies 22.4 L at STP 893 L x (a million mole / 22.4 L) = 39.8 moles

Answer 5

You don't; liters is a unit of volume and moles is a unit of mass/mole wt, which is technically dimensionless.

Answer 6

22.4 L is equivalent to a mole in stp

Answer 7

Try this website.
http://www.onlineconversion.com/