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If sodium sulphate is considered to be c...

If sodium sulphate is considered to be completely dissociated into cations and anions in aqueous solution,the change in freezing point of water`(DeltaT_(f))`,when `0.01`mole of sodium sulphate is dissoved in `1` kg of water,is `(K_(f)=1.86Kkg mol^(-1))`

A

0.0372 K

B

0.0558 K

C

0.0744 K

D

0.0186 K

Text Solution

Verified by Experts

The correct Answer is:
B
`DeltaT_(f)=i*K_(f)m,i=3`
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If sodium sulphate is considered to be completely dissociated into cations and anions in aqueous solution , the change in freezing point of water (DeltaT_(f)) when 0.01 mole of sodium sulphate is dissociated in 1 kg of water is : ( K_(f) = 1.86 K kg mol^(-1) )

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