Kimyoning asasiy tushuncha va qonunlari. Molekulyar massani topish
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- 2. Modda miqdori.(mol) I
1- OY UCHUN: 1- DARS. KIMYONING ASASIY TUSHUNCHA VA QONUNLARI. 1. Molekulyar massani topish. ZnO, CrO, Cr2O3, CrO3, Li2O, Na2O, FeO, Fe2O3, Fe3O4, Cu2O, CuO, Ag2O, BaO, Be(OH)2, NaOH, Mg(OH)2, Al(OH)3, KOH, Ca(OH)2, RbOH, Sr(OH)2, CsOH, CuOH, Cu(OH)2, Zn(OH)2, Sn(OH)2, Sn(OH)4, Pb(OH)2, Pb(OH)4, Cr(OH)3, Na2S, K2S, MgS, CaS, Al2S3, Na2SO3, K2SO3, MgSO3, CaSO3, Al2(SO3)2, CuSO3, BaSO3, NaNO2, KNO2, Mg(NO2)2, Al(NO2)3, Na3PO4, K3PO4, Mg3(PO4)2, Ca3(PO4)2, NaClO4, KClO4, Mg(ClO4)2, NaClO2, KClO2, Ca(ClO2)2, Na2SiO3, K2SiO3 2. Modda miqdori.(mol) I. 1. 80 gr natriy gidroksid (NaOH) ni modda miqdor(mol)ni toping. 2.10 gr vodarod (H2) ni modda miqdorini toping. J:5 mol 3.740 gr kalsiy gidroksid (Ca(OH)2) ni molini hisoblab toping. J:10 mol 4.8,5 gr natriy nitrat (NaNO3) ning modda miqdori (mol) ni hisoblang. J:0.1 mol 5.15 gr kalsiy karbonat (CaCO3) ning modda miqdori (mol) ni hisoblang. J:0,15 mol 6. 16 gr sulfat angidrid (SO3) ning modda miqdori (mol) ni hisoblang. J:0,2 mol 7.9,8 gr mis(II)-gidroksid (Cu(OH)2 ni modda miqdori (mol) ni hisoblang. J:0,1 mol 8. 3,9 gr benzol (C6H6) ning modda miqdorini (mol) hisoblang. J:0,05 mol 9.490 gr ortofosfat (H3PO4) kislotaning modda miqdorini (mol) toping . J:5 mol 10.49 gr sulfat kislota (H2SO4) ni modda miqdor (mol) ni toping. J:0,5 mol II.11. 0,5 mol o’yuvchi natriy (NaOH) ni massasini gr toping. 12.3 mol natriy sulfat (Na2SO4) ni massasini gr toping. J:426 13. 0,1 mol ammoniy fosfat ( (NH4)3PO4) ning massasini gr hisoblang. J:14,9 14. 0,25 mol kaliy gidroksid (KOH) ning massasini gr hisoblang. J:14,5 15. 3,5 mol mis kuporosi (CuSO4∙5H2O) ning massasini gr hisoblang. J:875 16. 5 mol sulfat kislota (H2SO4) ning massasini gr hisoblang. J:490 17. 4 mol sirka kislota (CH3COOH) necha gr keladi? J:240 18. 6 mol anilin (C6H5NH2) necha gr keladi? J:558 19. 15 mol natriy peroksid (Na2O2) necha gr keladi? J:1170 20. 3,5 mol natriy fosfat (Na3PO4) tuzi necha gr keladi? J:574 21. 1,75 mol kislorod (O2) necha gr keladi. J:56 22. 3,3 mol so’ndirilmagan ohak (CaO) ning massasini gr toping. J:184,8 III. 23. 5,2 gr nomalum modda 0,2 mol kelsa,nomalum modda molekulyar massasini toping. 24. 4,9 gr nomalum modda 0,05 mol kelsa,shu moddani Mr ni toping. J:98 25. 39 gr nomalum modda 0,5 mol kelsa,shu moddani massasini toping. J:78 26. nomalum moddaning 0,25 moli 14 gr kelsa,shu moddaning Mr ni toping. J:56 27. 27,3 gr nomalum modda 0,35 mol bo’lsa,moddaning Mr ni toping. J:78 28. 0,3 mol moddaning massasi 36 gr bo’lsa,shu moddaning molekulyar massasini toping. J:120 29. Berk idishga 14 gr yarim mol gaz berkitilgan. Shu idish ichidagi noma’lum gaznining molekulyar massasini aniqlang. J:28 30. 36 gr nomalum moddaning 0.45 molining molekulyar massasini toping. J:80 31. Berk idishga 22 gr yarim mol gaz berkitilgan. Shu idish ichidagi noma’lum gazni aniqlang. J:44 32. 18,9 gr nomalum moddaning miqdori 0,3 mol bo’lsa,shu moddaning molekulyar massasini toping. J:63 Download 19.15 Kb. Do'stlaringiz bilan baham: |
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