ASESMEN TENGAH SEMESTER1_KELAS XI_TP 2023/2024
Quiz
•
Chemistry
•
11th Grade
•
Hard
Erni Dewi
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15 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Gas karbon dioksida CO2 merupakan gas yang menyebabkan efek rumah kaca, jika gas CO2 yang dihasilkan dari pembakaran kayu adalah 0,5 mol, maka massa gas CO2 adalah (Mr CO2 = 44)
25 gram
22 gram
20 gram
12 gram
11 gram
2.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Air cuka yang sering digunakan sebagai penambah rasa asam pada makanan mengandung senyawa asam asetat (CH3COOH), dalam air cuka bermassa 1,2 gram terdapat …. Mol. Jika Ar C = 12; H = 1 dan O = 16.
0,02
0,01
0,05
0,03
0,04
3.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Jumlah mol air yang mengandung 2,4 x 1023 atom molekul air adalah…(NA = 6 x 1023).
0,02 mol
0,04 mol
0,05 mol
0,2 mol
0,4 mol
4.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Jika diketahui Ar O=16 dan bilangan Avogadro=6,02 x 1023, maka dalam 16 gram gas oksigen (O2) terdapat atom oksigen sebanyak….
3,01 x 1022
4,5 x 1022
6,02 x 1022
3,01 x 1023
6,02 x 1023
5.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Jumlah mol dari 11, 2 Liter gas oksigen pada keadaan standar (STP) jika diketahui V molar gas pada STP = 22,4 liter/mol adalah....
0.1 mol
1 mol
0.5 mol
2 mol
2,5 mol
6.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Asam klorida atau HCl adalah senyawa berupa larutan akuatik dari hidrogen klorida yang bersifat asam. Senyawa ini merupakan salah satu komponen utama dari cairan asam lambung dan berfungsi untuk membantu proses penyerapan nutrisi dalam tubuh. Hitunglah jumlah mol zat terlarut yang terdapat dalam 2,0 L larutan asam klorida 0,5 M yang tersedia di laboratorium kimia
0,1 mol
0,01 mol
2,5 mol
1 mol
10 mol
7.
MULTIPLE CHOICE QUESTION
3 mins • 3 pts
Diantara senyawa-senyawa berikut:
(I) H2O
(II) NH3
(III) CH4
(IV) N2H4
(V) C6H12O6
yang merupakan rumus empiris dan rumus molekul berturut-turut adalah....
(I) dan (II)
(I) dan (III)
(II) dan (III)
(II) dan (IV)
(IV) dan (V)
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