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Ask iit jee aieee pet cbse icse state board community Community Discussion Question: Colligative properties
Forum Index -> Physical Chemistry like the article? email it to a friend.  
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[Post New]16 Apr 2008 20:51:45 IST
    Subject: Colligative properties
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Xavier4 (4)

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A solution containing 1.23 g of Ca(NO3)2 in 10 g of water boils at 100.9750C.Calculate the degree of ionisation of the nitrate.(Kb=0.52)
    
[Post New]16 Apr 2008 21:13:09 IST
    Subject: Re:Colligative properties
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rohitkuruvila (164)

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is it 0.75   (75%)
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[Post New]16 Apr 2008 21:16:22 IST
    Subject: Re:Colligative properties
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nknikhilesh1 (49)

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Yes dost how u got it.please explain me too
please help me.............
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[Post New]16 Apr 2008 21:23:56 IST
    Subject: Re:Colligative properties
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Xavier4 (4)

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Yes u are absolutely correct but please explain me.........
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[Post New]16 Apr 2008 21:33:14 IST
    Subject: Re:Colligative properties
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Euphorio (12)

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see ...
Tb=kb*m*i
m is molality
i is vant hoff factor
u no the molality ,kb and also Tb so get value of i
then write the dissociation equation for the salt there let total no of FORMED
ions be y then it is true that
i=1+(y-1)*x
where x is the dissociation
please rate me!!!!!!!!!!!!!!!!!!!!!!!!!!! no one does!!!!!!!!!!
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[Post New]16 Apr 2008 21:34:57 IST
    Subject: Re:Colligative properties
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Euphorio (12)

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pleeeeeeeeez rate me if u find da answer useful.........i need it!!!!!!!!!!!
please rate me!!!!!!!!!!!!!!!!!!!!!!!!!!! no one does!!!!!!!!!!
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