Air mass is a huge body of air which has the same general properties as the land or water over which it forms. * True
False

Can someone me with questions 15 to 17 plz.

8) a mixture of he, ne and ar has a pressure of 7.85 atm. if the ne has a mole fraction of 0.47 and 8) ar has a mole fraction of 0.23, what is the pressure of he? a) 4.2 atm b) 3.7 atm c) 5.5 atm d) 2.4 atm e) 1.8 atm

Balance the following reaction. as2s3 + 9o2 → 2as2o3 + so2