Rumus hukum kesetimbangan untuk reaksi FeCl3(ag) + 3H2O(l) ----. Fe(OH)3(s) + 3HCl (ag)
Yang paling tepat adalah….
Soal Ujian Kimia XI MIA SEMESTER GENAP 2021/2022
Quiz
•
Chemistry
•
2nd Grade
•
Hard
Diana Sari
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15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Rumus hukum kesetimbangan untuk reaksi FeCl3(ag) + 3H2O(l) ----. Fe(OH)3(s) + 3HCl (ag)
Yang paling tepat adalah….
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Pada reaksi kesetiimbangan :
2SO3(g) 2SO2 (g) + O2(g)
Untuk memperoleh gas SO3 sebanyak- banyaknya maka….
Tekanan diturunkan/ diperkecil
Volume diperkecil
Gas 02 dikurangi
Suhu dinaikan
Gas SO2 segera diambil
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Sebanyak 100 ml larutan H2SO4 0,1 M mempunyai PH….
1
1 + log 2
1 - log 2
2
2 – log 2
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Untuk mengukur derajat keasaman larutan asam atau basa, paling tepat digunakan indikator….
Fenolftalein
Metil jingga
Metil merah
Bromtimol biru
Universal
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Larutan garam berikut yang tidak terhidrolisis dalam air adalah….
Ammonium karbonat
Kalium sulfat
Ammonium klorida
Natrium asetat
Kalium sianida
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Jika Kw air = 10-14 dan Ka HCN = 10-6 maka, larutan NaCl 0,01 M dalam air akan mempunyai PH sebesar….
3
4
8
9
10
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Sistem larutan penyangga yang bekerja untuk mempertahankan harga PH cairan protoplasma sel adalah….
HPO42- / PO43-
H2PO4- / HPO42-
HCO3-/ CO32-
H2CO3 / HCO32-
CH3COOH / CH3COO-
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