Q57. Molality of an aqueous solution of urea is 4.44 m . Mole fraction of urea in solution is $x \times 10 ^ { - 3 }$. Value of $x$ is - (Integer answer)
Q57. Molality of an aqueous solution of urea is 4.44 m . Mole fraction of urea in solution is $x \times 10 ^ { - 3 }$. Value of $x$ is - (Integer answer)