The molality of a urea solution in which 0.03 g of urea ((NH₂)₂CO) is added to 0.3 dm³ of water at STP is: (Molar mass of urea = 60 g/mol and density of water = 1 kg/dm³)
- A0.555 m
- B1.66 × 10⁻³ m
- C33.3 m
- D3.33 × 10⁻² m
✓ Correct answer: B
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