If a 1-molal solution of NaCl in water shows a freezing-point depression of 2.5˚C, what is the freezing-point depression, in degrees Celsius, observed for a 1-molal solution of CaCl in water? (Recall that both NaCl and CaCl are completely dissociated in aqueous solution.)
If a 1-molal solution of NaCl in water shows a freezing-point depression of 2.5˚C, what is the freezing-point depression, in degrees Celsius, observed for a 1-molal solution of CaCl in water? (Recall that both NaCl and CaCl are completely dissociated in aqueous solution.)
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Chapter1: Chemical Foundations
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If a 1-molal solution of NaCl in water shows a freezing-point depression of 2.5˚C, what is the freezing-point depression, in degrees Celsius, observed for a 1-molal solution of CaCl in water? (Recall that both NaCl and CaCl are completely dissociated in aqueous solution.)
Expert Solution
Step 1
Given,
Molality of NaCl solution = 1 m
Freezing-point depression of NaCl = ΔTf = 2.5 ˚C
Molality of CaCl2 solution = 1 m
Freezing-point depression of CaCl2 = ΔTf = ?
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