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A) 20 B) 50 C) 300 D) 13

3. 400 ta Li₂SO₄ bo'lgan eritma dissotsilanishidan hosil bo'lgan kationlar soni dissotsilanmagan molekulalar sonidan nechtaga ko'pligini toping. (a=80%)

A) 640 B) 800 C) 560 D) 80

4. 200 ta Na₂S0₄ molekulasi bo'lgan eritmada 1800 ta sulfat anioni ham borligi aniqlandi. Na₂S0₄ ning ushbu holatdagi dissotsilanish darajasini aniqlang. (%)

A) 75 B) 80 C) 85 D) 90

5. Alyuminiy sulfat eritmasidagi dissotsilanmagan molekulalar va dissotsilanishdan hosil bo'lgan anionlar soni nisbati 1:9 bo'lsa, dissotsilanish darajasini toping. (%) A) 75 B) 80 C) 85 D) 90

6. Temir (III) sulfat eritmasidagi dissotsilanmagan molekulalar va dissotsilanishdan hosil bo'lgan ionlar soni nisbati 1:20 bo'lsa, dissotsilanish darajasini toping. (%) A) 75 B) 80 C) 85 D) 90

7. Natriy sulfat eritmasidagi dissotsilanmagan molekulalar va dissotsilanishidan hosil bo’lgan kationlar soni nisbati 1:18 bo’lsa, dissotsilanish darajasini toping. A) 75 B) 80 C) 85 D) 90

8. Natriy sulfat 250 ta molekulasini tutuvchi eritmada dissotsilanish oqibatida hosil bo'lgan kationlar soni dissotsilanmagan molekulalar sonidan 350 taga ko'p bo'lsa, dissotsilanish darajasini toping. (%)

A) 75 B) 80 C) 85 D) 90

9. Aluminiy sulfat 100 ta molekulasini tutuvchi eritmada dissotsilanish oqibatida hosil bo'lgan ionlar soni dissotsilanmagan molekulalar sonidan 440 taga ko'p bo'lsa, dissotsilanish darajasini toping. (%)

A) 75 B) 80 C) 85 D) 90

10. Aluminiy nitrat 200 ta molekulasini tutuvchi eritmada dissotsilanish oqibatida hosil bo'lgan anionlar soni dissotsilanmagan molekulalar sonidan 480 taga ko'p bo'lsa, dissotsilanish darajasini toping. (%)

A) 75 B) 80 C) 85 D) 90

11. 9 litr suvdagi OH^- ionlari soni 3,01·10²⁰ dona bo'lsa, dissotsilangan suv molekulalarining bittasiga nechta dissotsilanmagan molekulalar to'g'ri keladi?

A) 10⁴ В) 10² C) 10⁶ D) 10⁸

12. 4,5 litr suvdagi H⁺ ionlari soni 1,505·10¹⁸ dona bo'lsa, dissotsilangan suv molekulalarining bittasiga nechta dissotsilanmagan molekulalar to'g'ri keladi ?

A) 10⁴ В) 10² С) 10⁶ D) 10⁸

13. 3,6 litr suvdagi ionlar soni 2,408·10¹⁸ dona bo’lsa, dissotsilangan suv molekulasining bittasiga nechta dissotsilanmagan molekulalar tog’ri keladi ? A) 10⁴ B) 10² C) 10⁶ D) 10⁸



14. CH₃COOH 0,1 M eritmasining ma'lum haroratdagi dissotsilanish konstantasi 10^-5 bo'lsa, ushbu haroratdagi CH₃COOH ning dissotsilanish darajasini toping. (%)

A) 0,01 B) 0,1 С) 1 D) 2

15. Dissotsilanish konstantasi 1,6·10^-4 bo'lgan sirka kislota eritmasining dissotsilanish darajasi 2% bo'lsa, eritma konsentratsiyasi (mol/litr) qanday bo'lganligini toping.