
Responsi 3
Authored by Nilsya Zebua
Chemistry
2nd Grade
Used 4+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Volumetri atau titrasi merupakan salah satu metode kuantifikasi untuk mengetahui konsentrasi suatu senyawa. Secara garis besar volumetri terbagi atas 4 yaitu...
Asidimetri, alkalimetri, redoks, kompleksometri
Netralisasi, redoks, presipitasi, kompleksometri
Netralisasi, reduksi, oksidasi, presipitasi
Asidimetri, alkalimetri, iodometri, kompleksometri
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Titrasi kompleksometri merupakan reaksi pembentukan kompleks antara ion logam dengan .....
Ligan
Kompleks
Gugus
EDTA
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dapar atau buffer salmiak pada analisis kadar Mg dengan metode titrasi kompleksometri ditambahkan pada saat....
Setelah memipet sampel
Setelah didapat pH 10
Setelah ditambah NaOH
Setelah akhir titrasi
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Perubahan warna yang terjadi pada analisis kadar Mg menggunakan indikator EBT adalah...
Hijau menjadi biru
Biru menjadi hijau
Ungu menjadi biru
Biru menjadi ungu
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Analisis kadar Ca tidak dititrasi secara langsung melainkan harus menggunakan metode subtitusi atau titrasi kembali karena.....
Ca cepat membentuk kompleks
Ca lambat membentuk kompleks
Ca harus dianalisis pada pH 12
Ca terikat kuat dengan indikator
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jika 14 g Magnesium sulfat dilarutkan dalam 1000 ml akuades. Berapa normalitas larutan tersebut jika Mr Mg = 24, S = 32, O = 16?
0,1166
0,1167
0,0583
0,0584
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jika 5 ml sampel MgSO4 dititrasi dengan EDTA, dan diperoleh volume titrasi 8 ml, dimana diketahui konsentrasi EDTA 0,0987. Berapa normalitas MgSO4?
0,1579
0,1580
0,06168
0,06169
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