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← ScienceWhich outcome occurs when large amounts of sodium chloride are dissolved in water?
A)Boiling point elevation through increased disorder
B)Freezing point depression through entropy increase✓
C)Vapor pressure reduction through solvation effect
D)Surface tension reduction through charge shielding
💡 Explanation
When NaCl dissolves, the ionic bonds break, and ions solvate. Increased ion concentration raises entropy, which causes freezing point depression because more energy must be removed to achieve solid ordering. Therefore freezing point depression results, rather than boiling point elevation etc. which require other colligative property modifications.
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