17. Based on the results of Experiment 3, a 7.5% solution of CaCl2 in H2O would have a freezing point closest to:

Answer and Explanation

Your Answer is

Correct Answer is B

Explanation

Looking at table 3, 7.5% is between 6% and 9%, so the freezing point of the solution should be between -2.93~-5.04°C, option B meets