
Kualifikasi KA Bagian 2

Quiz
•
Chemistry
•
University
•
Medium
Hendri Wasito
Used 5+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Berapa gram paracetamol serbuk yang harus ditimbang untuk membuat larutan paracetamol 10% (b/v) sebanyak 250 mL?
10 g
20 g
25 g
30 g
40 g
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Berapa gram serbuk standar asam salisilat (purity 98%) yang dibutuhkan untuk membuat 250 mg/mL sebanyak 50 mL?
12,5 g
12,8 g
13,0 g
13,2 g
13,5 g
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Jika tersedia 1 mg serbuk amoksisilin, berapa volume larutan akhir (mL) untuk konsentrasi 200 µg/mL?
2 mL
3 mL
4 mL
5 mL
6 mL
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Berapa gram NaOH (Mr = 40) untuk membuat 50 mL larutan 0,1 N?
0,1 g
0,15 g
0,2 g
0,25 g
0,3 g
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Larutan stok natrium salisilat 5000 µg/mL akan diencerkan jadi 2500 µg/mL dalam 250 mL. Berapa mL stok yang dipipet?
100 mL
120 mL
125 mL
150 mL
200 mL
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Dari 250 mL larutan aspirin 300% (v/v) ingin diencerkan menjadi 100% (v/v) sebanyak 100 mL. Berapa mL pipet digunakan?
25 mL
30 mL
33,3 mL
50 mL
75 mL
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Larutan stok Tetrasiklin 100 ppm diambil 5 mL. Labu ukur berapa mL diperlukan untuk konsentrasi 50 ppm?
5 mL
10 mL
20 mL
25 mL
50 mL
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