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Which of the following solutes in aqueous solution would be expected to exhibit the LARGEST freezing-point lowering (assuming ideal behavior)?

A. 0.1 m NaCl
B. 0.2 m CH3COOH
C. 0.1 m MgCl2
D. 0.05 m Al2(SO4)3
E. 0.25 m NH3

  • chem101 -

    delta T = i*K*m
    Since K is a constant it can be ignored and you are interested in the largest number for i*m where i = # particles (which you get from the number of ions) and m = molality.

  • chem101 -


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