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22.4L
June Douglas
Wiki User
∙ 14y agoWe can find the volume of gas by using this formula PV=nRT where:
P:the gas absolute pressure (in kPa or ATM)
n:number of mols (Moles)
T:the gas absolute temperature (Kelvin)
V/n:the gas molar volume (Liters)
R:universal gas law constant
You select the constant for R depending on the pressure unit you are using.
If P is in ATM, then R will be 0.082 (L*atm/mol*k)
If P is in kPa, then R will be 8.314 (L*kPa/mol*k)
You may have to do some conversions to get everything matching up pretty here, but they're extremely simple. For instance, temperature has to be in Kelvin (most science will be in Centigrade, so conversion for that is as simple as 273.15 + your temp in Centigrade).
As for pressure, there are quite a few different measurements, but the most common ones are kPa, ATM, and mm Hg.
Remember that 760 mm Hg = 1 ATM.
Wiki User
∙ 12y agoMost of the time, volume of a gas can be found by using ideal gas law: PV=nRT.
P=pressure
V=volume(litters)
n=number of moles
R= constant (0.0821L atm K−1 mol−1)
T=temperature(in kelvin)
Wiki User
∙ 13y agouse the relation 1 mol of gas = 22.4 Liters
this hold true for any gas at STP
(so if you have 2 mols of a gas, you have 2x22.4=44.8 Liters of the gas)
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