A 0.90 g sample of liquid water was introduced into an evacuated 2.00 L flask, which was then sealed and heated to 37°C. What percentage, by mass, of the water remained as liquid? [Vapor pressure of water at 37°C = 48.2 torr.]
A) 10%
B) 18%
C) 82%
D) 90%
E) 0%
Correct Answer:
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