<p>An aqueous solution of urea containing 18g urea in 1500&nbsp;<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>c</mi><msup><mi>m</mi><mn>3</mn></msup></math>&nbsp;of solution has a density of 1.052 g/<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>c</mi><msup><mi>m</mi><mn>3</mn></msup></math>. If the molar mass of urea is 60, then the molality of solution is:</p>