physical chem

when 60.26g of VCl4 was added to 1000g of solvent,freezing point of solvent was depressed by 5.415°.Kf=29.9.calculate the no. of dimers,V2Cl8 .

5 Answers

11
Mani Pal Singh ·

2

1
JOHNCENA IS BACK ·

physical chem.!!!!!!!!!

1
JOHNCENA IS BACK ·

try this too!

1357
Manish Shankar ·

moles of VCl4 initially is n=60.26/193

VCl4---------------->V2Cl8
n 0
n-α α/2

total moles at equilibrium=n-α/2

initial moles=n

i=(n-α/2)/n=1-α/2n

ΔTf=ikfm=iKfW/M

i=MΔTf/WKf=1-α/2n

α/2=n-ΔTf/Kf=0.13 moles

1
ANKIT GOYAL ·

same ans

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