UH Kimia Hidrolisis garam dan Titrasi
Quiz
•
Science
•
11th Grade
•
Hard
Pangastuti Mulyani
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7 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
Garam yang dalam air dapat terhidrolisis membentuk larutan dengan pH lebih kecil dari 7 adalah..
NaCl
Na2CO3
NaNO3
CH3COONa
NH4Cl
2.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Jika Kb NH4OH = 10-5 , larutan garam NH4Cl 0,1 M mempunyai pH..
5
6
7
8
9
3.
MULTIPLE CHOICE QUESTION
5 mins • 4 pts
Dari campuran larutan dibawah ini yang menghasilkan garam terhidrolisis sebagian dan bersifat basa adalah
50 ml larutan HCl 0,1 M + 50 ml larutan NaOH 0,1 M
50 ml larutan CH3COOH 0,1 M + 50 ml larutan NaOH 0,1 M
50 ml larutan HCl 0,1 M + 100 ml larutan NH4OH 0,1 M
50 ml larutan CH3COOH 0,1 M + 50 ml larutan NH4OH 0,1 M
50 ml larutan HCl 0,1 M + 50 ml larutan NH4OH 0,1 M
4.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Jika diketahui Kb NH4OH adalah 2x10-5, maka pH larutan NH4Cl 0,008 M adalah..
A. 4 – log 2
6 + log 4
6 – log 2
8 + log 2
8 – log 4
5.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Larutan NH4Cl (Kb NH3 = 10-5) mempunyai pH = 5 maka di dalam 100 ml larutan tersebut terlarut NH4Cl sebanyak.. ( Mr NH4Cl = 53,5)
0,535 gram
5,35 gram
10,70 gram
53,50 gram
107 gram
6.
MULTIPLE CHOICE QUESTION
5 mins • 4 pts
Pada titrasi 10,0 ml H2SO4 dengan NaOH 0,1 M diperoleh volume NaOH pada percobaan 1,2 dan 3 secara berurutan sebesar 5,0 ml; 4,90 ml dan 5,10 ml , maka besarnya konsentrasi H2SO4 yang bereaksi adalah..
0,005 M
0,025 M
0,050 M
0,125 M
0,250 M
7.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Larutan asam asetat 0,1 M sebanyak 20 mL (Ka=10-5M) dititrasi dengan larutan Natrium Hidroksida (NaOH) 0,1 M. Pada saat penetesan NaOH mencapai 15 mL, pH larutan adalah…
4,0
4,5
5,0
5,5
6,0
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