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Which of the following solutions will have the lowest freezing point?
Which of the following solutions will have the lowest freezing point?
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Practice Questions
1 question
Q1
Which of the following solutions will have the lowest freezing point?
0.1 M NaCl
0.1 M KBr
0.1 M MgCl2
0.1 M glucose
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MgCl2 dissociates into 3 ions, leading to the greatest freezing point depression among the options.
Questions & Step-by-step Solutions
1 item
Q
Q: Which of the following solutions will have the lowest freezing point?
Solution:
MgCl2 dissociates into 3 ions, leading to the greatest freezing point depression among the options.
Steps: 6
Show Steps
Step 1: Understand that when a substance dissolves in water, it can break apart into smaller particles called ions.
Step 2: Identify the substances in the question and how many ions each one produces when dissolved.
Step 3: For example, MgCl2 breaks into 3 ions: 1 magnesium ion (Mg2+) and 2 chloride ions (Cl-).
Step 4: The more ions a substance produces, the more it can lower the freezing point of the solution.
Step 5: Compare the number of ions produced by each option to determine which has the most.
Step 6: Conclude that since MgCl2 produces the most ions, it will have the lowest freezing point.
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