Vi bob elektrolitik dissotsilanish
M li HF eritmasining dissotsilanish darajasini (%) toping (KHF= 10-5) A) 1 B) 2 C) 3 D) 4 16
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- Suvning ion ko‘paytmasi (eritmaning pH va pOH ) 1.
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15. 0.1 M li HF eritmasining dissotsilanish darajasini (%) toping (KHF= 10-5) A) 1 B) 2 C) 3 D) 4
16.0.25M li HCN eritmasining dissotsilanish darajasini (%) toping ( KHCN=4•10-10) A) 4•10-5 B) 0,04 C) 10-9 D) 10-5 17.0.05M li NH3 eritmasining dissotsilanish darajasini (%) toping ( KNH3=2•10-5) A) 1 B) 2 C) 3 D) 4 18.0.25M li HCN eritmasidagi gidroksid ionlarining konsentratsiyasini (mol/litr) toping ( KHCN=4•10-10) A) 4•10-5 B) 0,04 C) 10-9 D) 10-5 19. Ammoniy fosfat dissotsialanishidan hosil bo‘lgan anionlar soni, dissotsialanmagan molekulalarning atomlar soniga teng bo‘lsa, dissotsialanish darajasini (%) toping. A) 83 B) 87 C) 90 D) 95 Suvning ion ko‘paytmasi (eritmaning pH va pOH) 1.0,001 mol/l konsentratsiyali natriy gidroksid eritmasining pH ko‘rsatkichini hisoblang. (dissotsilanish darajsi 100%) A) 6 B) 5 C) 3 D) 1 2.0,001 mol/l konsentratsiyali sulfat kislota eritmasining pH ko‘rsatkichini aniqlang. (dissotsilanish 100%). A) 3 B) 1 C) 2 D) 5 3. Olma sharbatining pH ko‘rsatkichi 3,0 ga teng. Shu eritmadagi vodorod ionlarining konsentratsiyasini (mol/l) hisoblang. A) 10-2 B) 10-3 C) 10- 5 D) 10-6 4.Konsentratsiyasi 0,01 mol/l bo‘lgan xlorid kislota eritmasining pOH ko‘rsatkichini hisoblang (dissotsilanish darajasi 100%) A)4 B) 2 C) 12 D) 14 5.0,005 mol/l konsentratsiyali sulfat kislota eritmasining pH ko‘rsatkichini aniqlang. (dissotsilanish darajasi 100%). A) 3 B)1 C) 2 D) 4 6.Konsentratsiyasi 10-4 mol/l bo‘lgan kaliy gidroksidning pH ko‘rsatkichini hisoblang.(dissotsilanish 100%) A) 9 B) 8 C) 4 D) 13 7. 36,5% li xlorid kislota eritmasidan 10 g olinib, hajmi 10 l bo‘lguncha suyultirildi. Hosil bo‘lgan eritmaning pH ko‘rsatkichini hisoblang: A) 2 B) 5 C) 1 D) 3 E) 4 8.Hajmlari 1 l dan bo‘lgan xlorid kislota (0,1 mol/l) va natriy ishqori (0,3 mol/l) eritmalari aralashtirilishidan hosil bo‘lgan eritmaning pH ko‘rsatkichini aniqlang. A) 3 B) 1 C) 13 D) 11 9. Pomidor sharbatidagi pH ning qiymati taxminan 4 ga teng bo‘lsa, 3 l shunday sharbatdagi vodorod ionining miqdorini (mol-ion) aniqlang. A) 0,004 B) 0,0003 C) 0,001 D) 0,0004 Download 407.94 Kb. Do'stlaringiz bilan baham: 
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