A solution was made by adding 800 g of ethanol, C₂H₅OH, to 8.0x10³g of water. How much would this lower the freezing point? The freezing point depression constant, kf, of water is 1.86 °C/m and the molar mass of ethanol is 46.08 g/mol
a) 3.2°C
b) 4.1°C
c) 8.2°C
d) 16°C