Molekulalarning o’lchami. Nisbiy va absolyut massa. Mol va molar massa. Avogadro doimiysi

C hemistry

ABITURIYENTLIKDAN TALABALIK SARI!!! @KIMYO_NOLDAN…

Molekulalarning o’lchami. Nisbiy va absolyut massa. Mol va molar massa. Avogadro doimiysi.

1. 
   Molekulalarning o’lchami (⁰A) berilgan javobni aniqlang. [7-33]
   

1. 
   1 B) 1 – 10 C) 25 D) 30 – 100
   

2. 
   Molekulalarning o’lchami (nm) berilgan javobni aniqlang. [7-33]
   

1. 
   0,154 B) 1 – 10 C) 0,25 D) 0,1 – 1
   

3. 
   Modda molekulasi massasining 1 m.a.b. ga nisbatan necha marta kattaligini ko’rsatuvchi fizik kattalik qiymati … deb yuritiladi. [7-33]
   

1. 
   nisbiy atom massa
   
2. 
   nisbiy molekular massa
   
3. 
   absolyut atom massa
   
4. 
   absolyut molekular massa
   

4. 
   Suvning bitta molekulasi absolyut massasini (g) aniqlang. [7-33]
   

1. 
   3,0 ∙ 10^-23 C) 3,0 ∙ 10^-26
   
2. 
   18 D) 1,08 ∙ 10^-21
   

5. 
   Suvning o’ttizta molekulasi absolyut massasini (g) aniqlang. [7-33]
   

1. 
   1,0 ∙ 10^-24 C) 9 ∙ 10^-22
   
2. 
   540 D) 3,0 ∙ 10^-23
   

6. 
   H₃PO₄ ni molar massasini (g/mol) toping. [7-33]
   

1. 
   96 B) 98 C) 63 D) 82
   

7. 
   CuSO₄ ni molar massasini (g/mol) toping. [7-33]
   

1. 
   96 B) 80 C) 160 D) 144
   

8. 
   Ca(NO₃)₂ ni molar massasini (g/mol) toping. [7-33]
   

1. 
   144 B) 150 C) 102 D) 164
   

9. 
   Avogadro doimiysi qiymatini belgilang.
   

[7-33]

1. 
   6,02 ∙ 10^-23 C) 6,02 ∙ 10²³
   
2. 
   1,67 ∙ 10^-27 D) 19,93 ∙ 10^-24
   

10. 
    Avogadro doimiysining birligi berilgan javobni belgilang. [7-33]
    

1. 
   mol C) 1/mol
   
2. 
   g/mol D) mol/g
   

11. 
    Moddaning bitta molekulasi absolyut massasi 5,681 ∙ 10^-22 g ga teng bo’lsa, uning molar massasini (g/mol) toping.
    

[7-33]

1. 
   342 B) 94 C) 11 D) 34
   

12. 
    Moddaning beshta molekulasi absolyut massasi ≈4 ∙ 10^-25 kg ga teng bo’lsa, uning molar massasini (g/mol) toping. [7-33]
    

1. 
   240 B) 48 C) 480 D) 32
   

13. 
    Modda miqdori nima bilan ifodalanishini belgilang. [7-34]
    

1. 
   ν B) g/mol C) mol D) 1/mol
   

14. 
    Modda miqdori nima bilan belgilanishini toping. [7-34]
    

1. 
   ν B) g/mol C) mol D) 1/mol
   

15. 
    Modda miqdori o’lchamini belgilang.
    

[7-33]

1. 
   g B) g/mol C) mol D) 1/mol
   

16. 
    12 g ¹²C izotopidagi atomlar soniga teng zarralar tutuvchi modda miqdori … deb yuritiladi. [7-33]
    

1. 
   g B) g/mol C) mol D) 1/mol
   

17. 
    Moddaning molar massasini hisoblash formulasini toping. [7-34]
    

1. 
   C)
   
2. 
   D)
   

18. 
    Moddaning molar massasi nima bilan ifodalanishini belgilang. [7-34]
    

1. 
   M B) g/mol C) g D) M_r
   

19. 
    Ozonning molar massasini (kg/mol) toping. [7-34]
    

1. 
   48 B) 0,048 C) 4,8 D) 480
   

20. 
    Besh atom kislorodning molar massasini (kg/mol) toping. [7-34]
    

1. 
   0,16 B) 0,08 C) 160 D) 80