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Which aqueous solution has a freezing point closer to its
Chapter 14, Problem 62P(choose chapter or problem)
QUESTION:
Problem 62P
Which aqueous solution has a freezing point closer to its predicted value, 0.01 m NaBr or 0.01 m MgCl2? Explain.
Questions & Answers
QUESTION:
Problem 62P
Which aqueous solution has a freezing point closer to its predicted value, 0.01 m NaBr or 0.01 m MgCl2? Explain.
ANSWER:
Solution 62P:
Here, we are going to explain which has a freezing point closer to its predicted value, 0.01 m NaBr or 0.01 m MgCl2.
Step 1:
The freezing point depression (Tf) is proportional to the concentration of solute particles.
(
where m is the molality of solute and Kb is molal freezing point depression constant.
Thus, we have to calculate the molality (m) o