The molal freezing point depression constant =Kf·4.74°C·kgmol−1 for a certain substance X. When 28.09g of urea NH22CO ar
Posted: Wed Jul 06, 2022 11:08 am
The molal freezing point depression constant =Kf·4.74°C·kgmol−1for a certain substance X. When 28.09g of urea NH22CO are dissolvedin 750.g of X, the solution freezes at −2.3°C. Calculate thefreezing point of pure X. Round your answer to 1 significantdigit.