Determine the osmotic pressure from 0.1000 molality of HCl at 37.0 C

Chemistry
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Determine the osmotic pressure using 0.1000 molality of HCl at 37.0 C. Assuming complete dissociation of the solute.

Apr 27th, 2015

T=37 degree celcius=310.15 kelvin

R is the ideal gas constant

Osmotic pressure pi=MRT=0.1M*0.0821*310.15=2.546


Apr 27th, 2015

So is M molarity or molality?

Apr 27th, 2015

Here is molality, moles/kg

Apr 27th, 2015

Yea. You put .1000 molality for M and M is supposed to be fore molarity.

Apr 27th, 2015

Ok.

Apr 27th, 2015

The osmotic pressure of a dilute solution can be expressed as: pi=mRT, where m is molality, so yeah you can change that to m

Apr 27th, 2015

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Apr 27th, 2015
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Apr 27th, 2015
Dec 4th, 2016
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