The density of a solution prepared by dissolving 120 g of urea

Question:

The density of a solution prepared by dissolving $120 \mathrm{~g}$ of urea (mol. mass $=60 \mathrm{u}$ ) in $1000 \mathrm{~g}$ of water is $1.15 \mathrm{~g} / \mathrm{mL}$. The molarity of this solution is

  1. 2.05 M

  2. 0.50 M

  3. 1.78 M

  4.  1.02 M


Correct Option: 1

Solution:

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