
Perhitungan pH asam Basa
Authored by Ferida Tefnai
Chemistry
11th Grade
Used 6+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Sebuah larutan tawas (Aluminium sulfat) memiliki konsentrasi 0.1 M. Hitunglah pH larutan tersebut. (Diketahui Kp untuk tawas adalah 5.0 × 10-6)
4. 11
4. 12
4.13
4.15
4.14
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Diketahui bahwa larutan tawas (Aluminium sulfat) dilarutkan dalam air, menghasilkan ion-ion aluminium (Al3+) dan ion sulfat (SO42-). Berdasarkan teori Brønsted-Lowry, ion aluminium dapat bertindak sebagai basa karena menerima proton (H+) dari air. Jika kita memiliki larutan tawas dengan konsentrasi 0.1 M, hitunglah pH larutan tersebut. (Diketahui Kp untuk tawas adalah 5.0 × 10-6
pH = 1.74
pH = 2.43
3.00
4.12
5.00
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Sebuah larutan kunyit yang mengandung kurkumin dengan konsentrasi 0,02 M direndam dalam larutan tawas yang memiliki konsentrasi 0,01 M. Jika diketahui bahwa pKa kurkumin adalah 8,4, maka pH larutan tersebut adalah.....
3,2
5,6
6,2
7,8
8,1
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Dalam suatu larutan Ca(OH)2 diketahui terkandung ion OH- dengan konsentrasi 5x10-4 M. Maka pH Larutan tersebut adalah...
5+log 5
10- log 5
10+ log 5
11-log 5
11+log 5
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Seorang guru kimia hendak mencampurkan 100 mL larutan tawas 0,01 M dengan 100 mL larutan Tawas 0,05 M. Larutan tersebut akan digunakan sebagai bahan pengunci warna pada proses pewarnaan Benang. Berdasarkan data tersebut, besarnya nilai pH campuran tersebut adalah...
1-log 2
2-log 3
3-log 2
11+ log 2
12 + log 2
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Segelas Larutan tunjung memiliki nilai Ka sebesar 1x10-3 M dan Nilai kesetimbangan ionisasinya sebesar 1,51 x 10-5. pH dari larutan tersebut adalah...
4-log 1,23
4 + log 1,23
3 + log 1,23
2-log 1,23
1-log 1,23
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Dalam sebuah percobaan pewarnaan, seorang siswa menambahkan 0,05 mol kapur tohor ke dalam 500 mL air. Kemudian larutan tersebut diaduk hingga larut sempurna. Larutan alkalis yang dihasilkan setelah reaksi selesai berlangsung mempunyai pH....
11,5
11,7
11,9
12,1
12,5
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