9-15. The partial pressures of the gases in a

22.414L

volume of air at STP are: oxygen,

21.224kPa

; nitrogen,

79.119kPa

; argon 0.946

kPa

; and carbon dioxide,

0.036kPa

. Determine the gram-molecular weight of air.\ 9-16. Using the data in Problem 9-15, determine the gram-molecular weight of air at

500\\\\deg C

and

101.325kPa

.\ 9-17. Convert

1,950\\\\mu (g)/(m^(3))

of

SO_(2)

to

ppm

at

25\\\\deg C

and

101.325kPa

pressure.\ Answer:

0.75ppm

9-15. The partial pressures of the gases in a 22.414L volume of air at STP are: oxygen, 21.224kPa; nitrogen, 79.119kPa; argon 0.946 kPa; and carbon dioxide, 0.036kPa. Determine the gram-molecular weight of air. 9-16. Using the data in Problem 9-15, determine the gram-molecular weight of air at 500C and 101.325kPa. 9-17. Convert 1,950g/m3 of SO2 to ppm at 25C and 101.325kPa pressure