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प्रश्न
What is molal depression constant? Does it depend on nature of the solute?
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उत्तर
If m = 1 then ∆Tf = Kf
“Then Kf is equal to the depression in freezing point for 1 molal solution”. No, it does not depends on the nature of the solute.
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संबंधित प्रश्न
Define mass percentage.
Define molality.
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Match the terms given in Column I with expressions given in Column II.
| Column I | Column II |
| (i) Mass percentage | (a) `"Number of moles of the solute component"/"Volume of solution in litres"` |
| (ii) Volume percentage | (b) `"Number of moles of a component"/"Total number of moles of all the components"` |
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| (iv) Molality | (d) `"Mass of the solute component in solution"/"Total mass of the solution" xx 100` |
| (v) Molarity | (e) `"Number of moles of the solute components"/"Mass of solvent in kilograms"` |
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m (Molality)
Calculated the mole fraction of benzene in a solution containing 30% by mass of its is carbon tetrachloride
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