Acid & Base Titration G11
Quiz
•
Chemistry
•
11th Grade
•
Hard
Brenda Siringoringo
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Untuk menentukan konsentrasi Asam atau Basa berdasarkan hasil titrasi, rumus yang digunakan adalah ....
Ma×Va=Mb×Vb
na×Ma×Va=nb×Mb×Vb
Ma=mol a×Va
Ma=Mr/massa×1000/Va
2.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
Sebanyak 0,8 g cuplikan yang mengandung kalium hidroksida dilarutkan dalam air. Jika diperlukan 25 mL larutan H 2 SO 4 0,1 M untuk menetralkannya, kadar kalium hidroksida dalam cuplikan tersebut sebesar . . . . (A r : K = 39 g mol –1 , O = 16 g mol –1 , dan H = 1 g mol –1 )
70%
60%
45%
35%
20%
3.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
Sebanyak 40 mL larutan SO 2 dititrasi dengan larutan KBrO 4 0,1 M menurut persamaan reaksi: KBrO 4 (aq)+ 4SO 2 (g) + 4H 2 O(l) → 4H 2 SO 4 (aq) + KBr(aq) Titik ekuivalen tercapai saat volume KBrO 4 yang ditambahkan sebanyak 40 mL. Konsentrasi larutan SO 2 tersebut adalah . . . .
0.1 M
0.2 M
0.3 M
0.4 M
0.5 M
4.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
ebanyak 4,88 asam benzoat dilarutkan ke dalam 500 mL air. Kemudian, 10 mL larutan tersebut diambil dan dititrasi dengan larutan NaOH 0,2 M. Volume NaOH yang diperlukan untuk mencapai titik ekuivalen sebanyak . . . . ( A r : H = 1 g mol –1 , C = 12 g mol –1 , dan O = 16 g mol –1 )
4 mL
8 mL
10 mL
15 mL
18 mL
5.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
Sebanyak x gram padatan NaOH dilarutkan dalam air hingga volume larutannya menjadi 500 mL. Jika untuk menetralkan 10 mL larutan NaOH tersebut dibutuhkan 20 mL larutan HCl 0,1 M, nilai x adalah . . . .
2 gram
4 gram
6 gram
8 gram
10 gram
6.
FILL IN THE BLANK QUESTION
10 mins • 3 pts
Pada suatu pabrik pupuk dilakukan pengujian sampel. Kadar asam fosfat (H3PO4) dalam pupuk dikontrol tidak lebih dari 85%. Diketahui 0,5 gram sampel yang dilarutkan dalam 10 ml akuades kemudian dititrasi dengan NaOH 0,5 M tepat membutuhkan 25 ml. Apakah sampel tersebut masuk ke dalam standar yang telah ditentukan? (Mr H3PO4 = 98) (BENAR/TIDAK) Tuliskan cara pengerjaan di kertas dan submit di GC.
7.
OPEN ENDED QUESTION
5 mins • 2 pts
Jelaskan 4 penerapan titrasi asam basa pada kehidupan sehari-hari!
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