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The molal freezing point constant of wat...

The molal freezing point constant of water is `-1.86 K molality^(-1).` If 171g of cane sugar (`C_12H_22O_11`) are dissolved in 500 g of water, the solution will freeze at:

A

`-1.86^@C`

B

`1.86^@C`

C

`-3.92^@C`

D

`2.42^@C`

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The correct Answer is:
A
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The molar freezing point constant of water is 1.86 K molality^-1 . If 342 g of cane sugar ( C_12H_22O_11 ) are dissolved in 1000 g of water, the solution will freeze at:

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