April 25, 2024, 09:49:30 AM
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Topic: solute moles  (Read 14368 times)

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Offline chay722

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Re: solute moles
« Reply #15 on: March 25, 2008, 10:39:47 PM »
Where did the 122 g come from? I calculated it with the equation they gave: deltat=Kf*m ....0.25 deg C=3.9 deg c*kg/mol(m)....m=.06 mol/kg

Offline enahs

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Re: solute moles
« Reply #16 on: March 25, 2008, 10:54:22 PM »
I was just using the molecular weight of benzoic acid. And calculating it based on what they said they have given you.


Your values are not working out; you have two different ways to calculate it, and they do not even come close to agreeing. Check the books publisher for an errata (list of corrections).

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