\( 15 \mathrm{~g} \) of urea \( (\mathrm{M}=60 \mathrm{~g} / \mathrm{mol}) \) is dissolved in \(....

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\( 15 \mathrm{~g} \) of urea \( (\mathrm{M}=60 \mathrm{~g} / \mathrm{mol}) \) is dissolved in \( 100 \mathrm{ml} \)
\( \mathrm{P} \)
water to form an aqueous solution, molality(m) of
W
solution will be - [Given : Density of water \( =1 \) \( \mathrm{g} / \mathrm{ml}] \)
(A) 0.25
(B) 2.5
(C) 25
(D) Data insufficient


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