How many grams of methyl alcohol should be added to 10 litre
Question:

How many grams of methyl alcohol should be added to 10 litre tank of water to prevent its freezing

at 268 K ?

$\left(\mathrm{K}_{f}\right.$ for water is $1.86 \mathrm{~K} \mathrm{~kg} \mathrm{~mol}^{-1}$ )

  1.  899.04 g

  2.  886.02 g

  3.  868.06 g

  4. 880.07 g


Correct Option: , 2

Solution:

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