Kimyodan boshlang’ich tushunchalar I – bob. Kirish

II. Asoslarning eng oddiy formulasini topish

1. 
   57,5% Na, 40% O, 2,5% H bo‘lgan moddaning oddiy formulasini aniqlang.
   
2. 
   41,38% Mg, 55,17% O, 3,45% H bo‘lgan moddaning oddiy formulasini aniqlang.
   
3. 
   65,31% Cu, 32,65% O, 2,04% H bo‘lgan moddaning oddiy formulasini aniqlang.
   
4. 
   34.61% Al, 61,34% O, 3,85% H bo‘lgan moddaning oddiy formulasini aniqlang.
   
5. 
   50,5%Cr, 46,6% O, 2,9% H bo‘lgan moddaning oddiy formulasini aniqlang.
   
6. 
   52,34% Fe, 44,86 % O, 2,8 % H bo‘lgan moddaning oddiy formulasini aniqlang.
   
7. 
   54% Ca, 43,24% O, 2,7% H bo‘lgan moddaning oddiy formulasini aniqlang.
   
8. 
   80,12% Ba, 18,71% O, 1.17% H bo‘lgan moddaning oddiy formulasini aniqlang.
   
9. 
   76.71% Ca, 21.82% O, 1.17 % H bo‘lgan moddaning oddiy formulasini aniqlang.
   
10. 
    69.64% K, 28.57% O, 1.79% H bo‘lgan moddaning oddiy formulasini aniqlang.
    
11. 
    29,16% Li, 66.66% O, 4,16% H bo‘lgan moddaning oddiy formulasini aniqlang.
    
12. 
    20.93% Be, 74.42% O, 4.65% H bo‘lgan moddaning oddiy formulasini aniqlang.
    
13. 
    62.22% Fe, 35.56% O, 2.22% H bo‘lgan moddaning oddiy formulasini aniqlang.
    
14. 
    79.01% Cu, 19.75% O, 1.24% H bo‘lgan moddaning oddiy formulasini aniqlang.
    
15. 
    65.66% Zn, 32.32% O, 2.02% H bo‘lgan moddaning oddiy formulasini aniqlang.
    
16. 
    85.47 % Hg, 13.68% O, 0.85% H bo‘lgan moddaning oddiy formulasini aniqlang.
    
17. 
    72.13% Sr, 26.23% O, 1.64% H bo‘lgan moddaning oddiy formulasini aniqlang.
    
18. 
    61.8% Mn, 36% O, 2.2% H bo‘lgan moddaning oddiy formulasini aniqlang.
    
19. 
    63.44 % Ni, 34.41% O, 2.15% H bo‘lgan moddaning oddiy formulasini aniqlang.
    
20. 
    85.89% Pb, 13.28% O, 0.83 % H bo‘lgan moddaning oddiy formulasini aniqlang.
    

III. Kislotalarning eng oddiy formulasini topish

1. 
   2.74 H, 97.26 % Cl bo‘lgan moddaning eng eng oddiy formulasini toping.
   
2. 
   2.04% H, 32.65 % S, 65.31 % O bo‘lgan moddaning eng eng oddiy formulasini toping.
   
3. 
   3,06% H, 31.63% P, 65.31% O bo‘lgan moddaning eng eng oddiy formulasini toping.
   
4. 
   1.59% H, 22.22 % N, 76.19 % O bo‘lgan moddaning eng eng oddiy formulasini toping.
   
5. 
   2.44 % H, 39.02 % S, 58.54 % O bo‘lgan moddaning eng eng oddiy formulasini toping.
   
6. 
   5.88 % H, 94.22 % S bo‘lgan moddaning eng eng oddiy formulasini toping.
   
7. 
   2.56 % H, 35.9 % Si, 61.54 % O bo‘lgan moddaning eng eng oddiy formulasini toping.
   
8. 
   3.23% H, 19.35 % C, 77.42% O bo‘lgan moddaning eng eng oddiy formulasini toping.
   
9. 
   0.78% H, 99.22 % J bo‘lgan moddaning eng eng oddiy formulasini toping.
   
10. 
    5 % H, 95 % F bo‘lgan moddaning eng eng oddiy formulasini toping.
    
11. 
    1.9 % H, 67.62 % Cl, 30.48 % O bo‘lgan moddaning eng eng oddiy formulasini toping.
    
12. 
    0.83% H, 45.83 % Mn, 53.34 % O bo‘lgan moddaning eng eng oddiy formulasini toping.
    
13. 
    1.18% H, 42.01 % Cl, 56.81% O bo‘lgan moddaning eng eng oddiy formulasini toping.
    
14. 
    3.7% H, 44.4 %C, 51.9 % N bo‘lgan moddaning eng eng oddiy formulasini toping.
    
15. 
    3,7% H, 44,44% C, 51,85 % N bo‘lgan moddaning eng eng oddiy formulasini toping.
    
16. 
    1.54% H, 98.46% Te bo‘lgan moddaning eng oddiy formulasini toping.
    
17. 
    1.69% H, 44.07% Cr, 54.24% O bo‘lgan moddaning eng eng oddiy formulasini toping.
    
18. 
    0.91% H, 47.7 Cr, 51.38 % O bo‘lgan moddaning eng eng oddiy formulasini toping.
    
19. 
    2.11 % H, 52.82% As, 45.07 % O bo‘lgan moddaning eng eng oddiy formulasini toping.
    
20. 
    0.99% H, 35.32% Cl, 63.68 % O bo‘lgan moddaning eng eng oddiy formulasini toping.