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# Calculate the freezing point depression and boiling point elevation of a solution of 10.0g of urea ($M_B$= 60) in 50.0g of water at 1 atm. pressure. $K_b$ and $K_f$for water 0.52$^{\large\circ}C m^{−1}$ and 1.86$^{\large\circ}C m^{−1 }$respectively.

$T_f=-6.2^{\large\circ}C,T_b=-101.7^{\large\circ}$