Question

What is the density of glucose solution if molarity and molality is equal to 1?

Answer 1

Answer:

First of all that's molarity. The 2M THING.

Now molarity is moles per unit volume i.e one liter of the solution given has 2 moles. Now density of solution is 1.5 gm/ml. Therefore, one litre of solution weigh 1500 gms, that equals 1.5 kg.

Now molality is moles per kg of the solution-

So molality is 2 divided by 1.5 which equals 4/3.

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