Which of the following aqueous solutions has the lowest freezing point? The K f of water is 1.86 kg.°C/mol. Calculate the freezing point ONLY for the solution you marked as your answer.
a. 0.8 m CH 3OH (methanol)
b. 0.4 m NaCl
c. 0.3 m MgBr2
d. 0.2 m AlF3
e. 0.25 m Ca(NO3)2
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