Menghitung pH Asam, Basa dan Larutan Penyangga
Quiz
•
Chemistry
•
11th Grade
•
Medium
Noor Wahyuningsih
Used 7+ times
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8 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Perhatikan data berikut :
1) HCN 4) Be(OH)2
2) H2SO4 5) Ba(OH)2
3) HNO2 6) NH4OH
Berdasar data di atas, yang tergolong asam kuat dan basa lemah berturut-turut adalah….
1 dan 4
1 dan 5
2 dan 5
2 dan 6
3 dan 6
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Hasil percobaan warna lakmus dalam larutan sebagai berikut
Berdasarkan data, maka larutan yang bersifat basa adalah.....
3 dan 6
3 dan 4
2 dan 5
1 dan 3
1 dan 2
3.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Seorang siswa membuat larutan CH3COOH 0,1 M. Jika harga Ka = 1 x 10-5, maka pH larutan tersebut adalah….
2
3
4
5
6
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Seorang siswa mengencerkan 10 mL larutan NaOH 0,1 M sampai volume 1000 mL. pH larutan setelah pengenceran adalah....
3
5
9
11
13
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Data percobaan pH beberapa larutan sebagai berikut.
I dan II
II dan III
III dan IV
III dan V
IV dan v
6.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Pasangan larutan berikut ini yang menghasilkan larutan penyangga adalah ….
100 mL NH4OH 0,2 M + 100 mL HCl 0,1 M
100 mL NH4OH 0,2 M + 100 mL HCl 0,3 M
100 mL NaOH 0,2 M + 100 mL CH3COOH 0,2 M
100 mL NaOH 0,2 M + 100 mL HCN 0,1 M
100 mL NaOH 0,2 M + 100 mL HCN 0,2 M
7.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Seorang siswa mencampurkan 200 mL NH4OH 0,1M dengan 200 mL NH4Cl 0,1 M. pH campuran yang terbentuk adalah…. (Kb NH4OH = 1 x 10-5)
5
7
9
11
13
8.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Harga pH campuran antara 100 ml larutan C6H5COOH 0,2 M dengan 100 ml larutan NaOH 0,1 M jika diketahui Ka C6H5COOH = 6 x 10-5 adalah....
4 + log 6
5 - log 6
5 + log 5
6 - log 5
6 + log 6
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