Chemistry · Solutions
The depression in the freezing point observed for a formic acid solution of concentration 0.5 mL L-1 is 0.0405°C. The density of formic acid is 1.05 g mL-1. The Van't Hoff factor of the formic acid solution is nearly (Given for water kf = 1.86 K kg mol-1):
- 12.4
- 21.9
- 31.1✓
- 40.8
Correct answer
1.1
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