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1.8 g of fructose (C6H(12)O6) is added t...

1.8 g of fructose `(C_6H_(12)O_6)` is added to 2 kg of water. The freezing point of solution is

A

`- 0.0093^@C`

B

`0.0093^@C`

C

`- 0.0186^@C`

D

`- 1.86^@C`

Text Solution

Verified by Experts

The correct Answer is:
A
`DeltaT_f,= K_fM`
`= 1.86 xx 1.8/180 xx1/2 =0.0093^@C (K_f " for water " = 1.86)`
`DeltaT_f= T_f^@ - DeltaT_f=0 -0.0093 = -0.0093^@C`.
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