# 2.8     An antifreeze solution is prepared from  of ethylene glycol    and of water. Calculate the molality of the solution. If the density of the solution is then what shall be the molarity of the solution?

For finding molality we need to find the moles of ethylene glycol.

Moles of ethylene glycol :

We know that :

Now for molarity :-

Total mass of solution = 200 + 222.6 = 422.6 g

Volume of solution

So molarity :-

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