2. Which solution below would have the lowest freezing point below? a) 0.75 M NaCI (aq) b) 0.15 M NaCI (aq) c) 1.00 M NaCI (aq) Explanation: 3. Which solution below would you expect to have the highest boiling point? ) 0.5 mol of CaCl, in a 200 mL aqueous solution ) 0.5 mol of KCI in a 200 mL aqueous solution ) 0.5 mol of AICI, in a 200 mL aqueous solution xplanation:
2. Which solution below would have the lowest freezing point below? a) 0.75 M NaCI (aq) b) 0.15 M NaCI (aq) c) 1.00 M NaCI (aq) Explanation: 3. Which solution below would you expect to have the highest boiling point? ) 0.5 mol of CaCl, in a 200 mL aqueous solution ) 0.5 mol of KCI in a 200 mL aqueous solution ) 0.5 mol of AICI, in a 200 mL aqueous solution xplanation:
Chapter7: Solutions And Colloids
Section: Chapter Questions
Problem 7.47E
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Transcribed Image Text:7:37 PM Fri Feb 26
+ AE
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which depends on the number of solute particles. So, if the
same solute is added then elevation in boiling point depends
on the concentration. Higher the concentration, the higher the
boiling boint.
2. Which solution below would have the lowest freezing
point below?
a) 0.75 M NaCI (aq)
b) 0.15 M NaCI (aq)
c) 1.00 M NaCI (aq)
Explanation:
3. Which solution below would you expect to have the
highest boiling point?
a) 0.5 mol of CaCl, in a 200 mL aqueous solution
p) 0.5 mol of KCI in a 200 mL aqueous solution
=) 0.5 mol of AlICI3 in a 200 mL aqueous solution
Explanation:
Expert Solution
Step 1
Depression in freezing point :
Depression in freezing point is directly proportional to the molarity of solution which means that more concentration of solute means more depression in freezing point.
On decreasing the temperature,0.15 M NaCl freezes first then 0.75M will freeze at the last 1 M NaCl will freeze. So 1 M NaCl has the lowest freezing point.
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