KVPY2017ChemistrySolutions
18 ~g of glucose ( C ₆ H ₁₂ O ₆ ) dissolved in 1 ~kg of water is heated to boiling. The boiling point (in K ) measured at 1 ~atm pressure is closest to [Ebulioscopic constant, K_ b for water is 0.52 ~K ~kg ~mol ⁻¹ . Consider absolute zero to be .-273.15^ C ]
Options
- A373.15
- B373.10
- C373.20
- D373.25
Correct answer
C. 373.20
Step-by-step solution
aligned T _ b =& K _ b m =& 0.52 18 / 180 1 &=0.052 B P &=373.15+0.052 &=373.2 ~K aligned