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Define Van't Hoff's factor....

Define Van't Hoff's factor.

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i= `("Normal molar mass")/("Abnormal molar mass") `
OR
= `("Oberved colligatve property")/("Calculate colligative property")` OR
Total no. of moles of particles
I = `("after association/dissociation")/("Number of moles of particles")`
before association/dissociation
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