Water at 25.0°C has a vapor pressure of 23.8 torr. How many grams of glucose (C₆H₁₂O₆) must be added to 504.4 grams of water to lower the vapor pressure to 22.2 torr?

A) 12.4 grams
B) 20.1 grams
C) 34.5 grams
D) 41.8 grams