
Аналитика аххххх
Authored by Улдана Шерхан
Chemistry
University
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21 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
AgSCN ерігіштік константасы (KS) 1•10-12 тең. Тұнбаның еру шарты бойынша иондардың молярлық концентрацияларының көбейтіндісінің (ИК) қандай шамасында тұнба түзілед
1·10-10
1·10-12
1·10-14
1·10-15
1·10-20
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
0,001н NH4OH ерітіндінің (KNH4OH = 10-5) OH- ионының концентрациясы нешеге те
10-1
10-2
10-3
10-4
10-5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
0,001н NH4OH ерітіндінің (KNH4OH = 10-5) диссоциация дәрежесі нешеге тең
10-1
10-2
10-3
10-4
10-5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Концентрациясы 0,1 моль/л CaCl2 ерітіндісінің иондық күші
0,03
0,06
0,6
0,3
0,006
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
0,1М әлсіз бірнегізді қышқылдың сутегі ионының концентрациясы 10-5 моль/л. Диссоциация дәрежесі нешеге тең
1∙10-1
1∙10-5
1∙10-6
1∙10-10
1∙10-4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Концентрациясы 0,005 моль/л барий нитратының иондық күші нешеге тең
0,00015
0,0015
0,015
0,15
1,5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ерітіндінің рН 5,0- ге тең болса сутегі иондарының концентрациясы нешеге тең
10-1
10-2
10-4
10-5
10-3
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