Calculate vant hoff factor of cdso4 if dissociation of 5.21g of cdso4 in half litre water gives a depression in freezing point of 0.168^°C

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19.5 g of CH₂FCOOH is dissolved in 500 g of water. The depression in the freezing point of water observed is 1.0°C. Calculate the van’t Hoff factor and dissociation constant of fluoroacetic acid.

Q. The freezing point depression constant for water is

- {1.86}^{0} C m^{- 1} .

If 5.00 g

N a_{2} S O_{4}

is dissolved in 45.0 g

H_{2} O,

the freezing point is changed by

{3.82}^{0} C .

Calculate the vant Hoff factor for

N a_{2} S O_{4} .

QUESTION 2.33

19.5 g of $C H_{2} F C O O H$ is dissolved in 500g of water. The depression in the freezing point of water observed in 1.0 C. Calculate the van't Hoff factor and dissociation constant of fluoroacetic acid.
$K_{f} = 1.86 K k g m o l^{- 1}$