4.11. 1 m3 havoning 25 oC harorat va 2 atm bosimdagi massasini hisoblang. (Javob: 2,372 kg).
4.12. 10 m3 karbonat angidridning 27 oC harorat va 1,5 atm. bosimidagi massasini toping. (Javob: 26,8 kg).
4.13. 40 l hajmli gazometrda 1,4 atm bosimi va 30 oC haroratda saqlanadigan geliyning massasini toping. (Javob:9,01 g).
4.14. 640 ml gaz 39 oC harorat va 741 mm sim.ust. bosimida 1,73 g kelsa, shu gazning molyar massasi qanday bo‘ladi? (Javob: 71).
4.15. 1,5 kg havo 30 oC harorat va 304 kPa bosimda qanday hajmni egallaydi? (Javob: 428,6 l).
4.16. 20 g kislorod 27 oC harorat va 150 kPa bosimda qanday hajmni egallaydi? (Javob: 10,4 l).
4.17. 25 oC haroratda 750 ml hajmli idishda 56 g kislorod bo‘lsa, gazning bosimi qanday bo‘ladi? (Javob: 5781 kPa).
4.18. 4,0 g noma'lum oddiy modda bilan suvning ta'sirlashishidan 30 oC harorat va 202,65 kPa bosimda 1243 ml vodorod ajralib chiqqan bo‘lsa, shu moddani aniqlang. (Javob: Ca).
4.19. 39,4 g ikki valentli noma'lum metall tuzini parchalaganda 25 oC harorat va 300000 Pa bosimda o‘lchangan 1652 ml karbonat angidrid ajralib chiqqan bo‘lsa, noma'lum metall tuzining formulasini toping. (Javob: BaCO3).
4.20. Normal sharoitda olingan 448 sm3 gazda qancha molekula bor? (Javob: 12,04.1021).
4.21. 3,01.1023 kislorod molekulasining massasini aniqlang. (Javob: 16 g).
4.22. 11,2 l vodorod sulfidda nechta molekula bor?
(Javob: 3,01.1023).
