Dissolving $120 \mathrm{~g}$ of urea (molecular weight 60) in $1000 \mathrm{~g}$ of water gave a solution of…

Dissolving $120 \mathrm{~g}$ of urea (molecular weight 60) in $1000 \mathrm{~g}$ of water gave a solution of density $1.15 \mathrm{~g} / \mathrm{mL}$. The molarity of the solution is
  1. $1.78 \mathrm{M}$
  2. $2.00 \mathrm{M}$
  3. $2.05 \mathrm{M}$
  4. $2.22 \mathrm{M}$

Asked in: JEE Advanced 2011 (Paper 1)

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