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The freezing point depression constant f...

The freezing point depression constant for water is `1.86^(@)K Kgmol^(-1)`. If `5.00g Na_(2)SO_(4)` is dissolved in `45.0 g H_(2)O`, the freezing point is charged by `-3.82^(@)C`. Calculate the van't Hoff factor for `Na_(2)SO_(4)`.

A

`0.381`

B

`2.05`

C

`2.63`

D

`3.11`

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The correct Answer is:
C
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The freezing point depression constant for water is 1.86^(@)C m^(-1) . If 5.00g Na_(2)SO_(4) is dissolved in 45.0 H_(2)O , the freezing point is charged by -3.82^(@)C . Calculate the van't Hoff factor for Na_(2)SO_(4) .

The freezing point depression constant for water is 1.86^(@)Cm^(-1) . If 5.00g NaSO_(4) is dissolved in 45.0 g H_(2)O the freezing point is changed by -3.82^(@)C . Calculate the van't Hoff factor for Na_(2)SO_(4) .

The freezing point depression constant for water is -1.86^(@)Cm^(-1). if 5.00g Na_(2)SO_(4) is dissolved in 45.0gH_(2)O ,the freezing point is changed by -3.82^(@)C ,Calculate the van't Hoff factor for Na_(2)SO_(4)

The Van't Hoff factor (i) for K_(2)SO_(4) is ………. .

The molal freezing point constant of water is 1.86 K m^(-1) . If 342 g of cane sugar (C_(12)H_(22)O_(11)) is dissolved in 1000 g of water, the solution will freeze at

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