# 30 ml of $CH_3OH$ (d = 0.7980 gm $Cm^{–3}$) and 70 ml of $H_2O$ (d = 0.9984 gm $cm^{–3}$) are mixed at 25$^{\large\circ}$C to form a solution of density 0.9575 gm $cm^{–3}$. Calculate the freezing point of the solution. $K_f$ ($H_2O$) is 1.86 Kg $mol^{–1}$ K. Also calculate its molarity

$-19.91^{\large\circ}C,M=7.63M$