A solution of 1.25 g of 'P' in 50 g of water lowers the freezing point by 0.3 °C. The molar mass of 'P' is 94 g/mol. $K_f(\text{water}) = 1.86 \, \text{K} \, \text{kg} \, \text{mol}^{-1}$. The degree of association of 'P' in water is