Q: The saturation vapour pressure at 300 K is 3.6 kPa and the gas constant R is 8.3 J/(K·mol). The mass of water vapour per m³ of air at temperature 300 K and relative humidity 50 % is
(a)13 g
(b)26 g
(c)52 g
(d)39 g
Correct Answer: (a)
The correct answer is (a): 13 g. Subject: Geography | Sub-topic: Atmosphere & Climatology Note: This answer was determined through AI-based research. Verify against the official answer key when available.