
P5 Anfar Instrumen 2025
Authored by Anita Puspa Widiyana
Chemistry
University
Used 1+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Pelarut yang digunakan untuk melarutkan sampel panadol adalah ......
metanol
butanol
n-heksana
kloroform
etil asetat
2.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Alat yang digunakan untuk penetapan kadar kafein pada sampel panadol adalah .....
HPLC
Spektrofotometer UV-Vis
KLT densitometer
FTIR
AAS
3.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Data yang diperoleh dari pengujian kadar kafein dalam panadol adalah .....
absorbansi
Rf
luas area
bilangan gelombang
Log P
4.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Panjang gelombang maksimum pada penetapan kadar kafein pada tablet panadol adalah ..... nm
200
273
268
345
373
5.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Berat serbuk dari 10 tablet adalah 5,7 g mengandung kafein sebesar 250 mg. Serbuk tablet ditimbang sebesar 300 mg, maka akan setara dengan ...... mg kafein
23
19
13
4750
6840
6.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Kadar kafein sebesar 65 mg/tablet di dalam panadol. Jika 10 tablet hasil serbuk yang ditimbang sebesar 6,8 g. Massa serbuk yang harus ditimbang untuk mendapatkan kafein 10 mg adalah ...... mg
65
68
105
9,5
44
7.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Persamaan kurva kalibrasi dari kafein yaitu y=0,056 x - 0,045. Jika diperoleh absorbansi sampel panadol sebesar 0,346, maka kadar kafein adalah .....
56
45
7
14
28
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