Question

Find the molality of glucose solution having molarity 2M.(density of solution - 1.5g/ml)

Answer 1

Answer:

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Explanation:

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.

Answer 2

Explanation:

Median of the observation 35 , 48 , 29 , 42 , 27 , 31 *

33

32

31

30

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