
Pretest Ekstraksi Cair-Cair
Authored by Mahirullah, Kimia
Chemistry
University
Used 8+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ekstraksi cair-cair adalah
Proses pemurnian suatu campuran cairan dari suatu komponen dengan pemindahan
Proses pemindahan suatu komponen campuran cairan dari suatu larutan ke cairan yang lain
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa nama alat ini?
Corong labu
Corong pisah
Corong buchner
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
"Pada konsentrasi dan tekanan konstan, analit akan terdistribusi dalam proporsi yang selalu sama diantara dua pelarut yang saling tidak campur".
Pernyataan sering disebut dengan...
Perbandingan Konsentrasi
Distribusi rasio
Distribusi Nerst
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Pilihlah bahan-bahan yang akan digunakan pada percobaan kali ini..
Asam benzoat
HCL
Asam asetat
NaOH
Toluena
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Manakah di bawah ini yang merupakan rumus molekul dari asam benzoat
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Manakah yang BUKAN jenis analisis yang akan digunakan dalam percobaan kali ini..
Persentase perolehan
Titik leleh
Penentuan pH
Komponen KLT
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Setelah disaring endapan yang terbentuk dari masing-masing ekstrak menggunakan corong Buchner dengan kertas saring dan dibilas. Apa lagi langkah selanjutnya...
Dilakukan pengeringan dalam oven vacum pada suhu 50°C
Ditambahkan HCl 10% hingga pH < 2
Dipisahkan lapisan antara fase air dan fase organik
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