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Define Van't Hoff factor....

Define Van't Hoff factor.

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Van't Hoff factor is defind as the ratio of the actual molar massto the abnormal (calculated ) molar mass of the solute .Here ,the abnormal molar mass is the molar mass calculated using the experimentally determined colligative property.
` i= ("Normal (actual ) molar mass ")/( " Observed (abnormal )molar mass ") `
` =("Observed colligative property ")/("Calculated colligative property ") `
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