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The molality of a urea solution in which...

The molality of a urea solution in which 0.0100 g of urea, `[(NH_2)_2CO]` is added to `0.3000dm^3` of water at S.T.P is

A

`5.55xx10^-4m`

B

33.3m

C

`3.33xx10^-2m`

D

0.555m

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