Baxmal 2020/21 I. Kimyoviy formula bo’yicha hisoblash

II.11. 56 l (n.sh) vodorod sulfid (H₂S) ni massasini gr toping.

Yechish; 1) H₂S (Mr) = 34 gr

2) 22,4 l (n.sh) da ────── 34 gr

56 l (n.sh) da ────── x= x= =85 gr J:85 gr

12. Normal sharoitda 40 l azot(I)-oksid (N₂O) necha gr keladi?J:78,57 gr

13. Normal sharoitda 11,2 l is gazi (CO) necha gr keladi?J:14 gr

14. Normal sharoitda 224 l ozon (O₃) necha gr keladi?J:480 gr

15. Normal sharoitda 560 l geliy (He) necha gr keladi?J:100 gr

16. Normal sharoitda 448 l argon (Ar) necha gr keladi?J:800 gr

17. Normal sharoitda 300 ml atsetilen (C₂H₂) necha gr keladi?J:0,35 gr

18.Normal sharoitda 2800 ml etilen (C₂H₄) necha gr keladi?J:3,5 gr

19. 15,68 l (n.sh) metanol (CH₃OH) massasini gr toping. 22,4 gr

20. 67,2 l (n.sh) etanning (C₂H₆) massasini toping. J: 90 gr