Выберите более растворимую соль:

ЯСМИН ЗИМИЯ ССЕСИЯ 120

Quiz
•
Chemistry
•
University
•
Hard

anelka undefined
FREE Resource
41 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
KS (Bi2S3) = 7,1∙10^-61
KS (Fe(OH)3) = 3,8∙10^-38
KS (Ca3(PO4)2) = 1,0∙10^-25
KS (KClO4) = 1,0∙^10-2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Условия образования осадка хлорида свинца:
KS [Pb2+][Cl- ] ^2
KS [Pb2+][Cl- ]
KS = [Pb2+][Cl- ]^2
KS > [Pb2+][Cl- ] 2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Насыщенный раствор:
KS [Kt^n+]m[A^m- ]^n
KS > [Kt^n+]m[A^m- ]^n
KS = [Kt^n+]m[A^m- ]^n ;
KS [Ktn+] m[Am- ]^n
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Условия растворения осадка сульфата бария:
KS > [Ва2+][SO4 2- ]
KS [Ва2+][SO4 2- ]
KS = [Ва2+][SO4 2- ]
KS = [SO4 2- ] / [Ва2+]
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Для раствора с условием KS = [Kt^n+]m[A^m- ]^n соответствует:
G = 0
G > 0
G < 0
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Выберите менее растворимую соль:
KS (Fe(OH)3) = 3,8∙10^-38
KS (Ca3(PO4)2) = 1,0∙10^-25
KS (CoS) = 3,1∙10^-28
KS (MnS) = 2,5∙10^-10
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Выберите более растворимую соль:
KS (AgCl) = 1,8∙10^-10
KS (AgBr) = 4,4∙10-13
KS (AgCN) = 7∙10-15
) KS (AgJ) = 1,5∙10-16
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