KONSEP MOL
Quiz
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Hard
NAZILAH HN
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20 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Jumlah mol dalam 30 gram Carbon adalah.... (Ar C=12)
2 mol
2,5 mol
3 mol
3,5 mol
4 mol
2.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Nilai Mr dari Asam etanoat, C2H4O2 adalah .... (Ar C= 12; H=1; O=16)
6
16
60
36
32
3.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Berapakah koefisien yang tepat untuk HCl pada persamaan reaksi berikut agar setara?
Zn + HCl → ZnCl2 + H2
1
2
3
4
5
4.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Hitunglah massa 0,1 mol batu kapur (CaCO3) jika diketahui Ar Ca = 40, Ar C = 12 dan Ar O = 16).
5 gram
10 gram
15 gram
20 gram
25 gram
5.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Jumlah mol air yang mengandung 2,408 x 1023 atom molekul air adalah…
0,02 mol
0,04 mol
0,05 mol
0,2 mol
0,4 mol
6.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
Jika diketahui Ar O=16 dan bilangan Avogadro=6x 1023, 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
7.
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.
0,02
0,01
0,05
0,03
0,04
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