XI.C TUGAS AKHIR SEMESTER GANJIL 2024/2025 (minggu 1 Des 2024)
Authored by Trimo Ponendri
Chemistry
11th Grade
Used 1+ times
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40 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 3 pts
Hitunglah massa 0,2 mol batu kapur (CaCO3) jika diketahui Ar Ca = 40, Ar C = 12; O = 16).
10 gram
20 gram
5 gram
15 gram
25 gram
2.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Massa molekul relatif untuk senyawa FeO jika diketahui massa atom relative (Ar) Fe=56, dan O=16 adalah…
40
56
66
72
82
3.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Jumlah mol air yang mengandung 6,02 x 1023 atom molekul air adalah…
4 mol
3 mol
2 mol
1 mol
0,5 mol
4.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Gas hidrogen pada suhu dan tekanan standar (STP) sebanyak 0,2 mol maka volumenya sebanyak…
0,224 Lt
2,24 Lt
4,48 Lt
22,4 Lt
44,8 Lt
5.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Jika diketahui Ar Ca = 40, C = 12, O = 16 dan bilangan Avogadro = 6,02×1023, maka 50 gram CaCO3 mempunyai jumlah molekul … .
3,01 × 1020
3,01 × 1021
3,01 × 1022
3,01 × 1023
3,01 × 1024
6.
MULTIPLE CHOICE QUESTION
1 min • 3 pts
Jika Ar C = 12 dan O = 16, maka volume dari 44 gram gas CO2, pada 0 oC dan 1 atm adalah…
22,4 liter
4,48 liter
8,96 liter
6,72 liter
2,24 liter
7.
MULTIPLE CHOICE QUESTION
1 min • 3 pts
Jika magnesium bereaksi dengan oksigen menghasilkan magnesium oksida, maka persamaan reaksi yang benar adalah......
Mg(s) + O2(g) → MgO2(s)
Mg(s) + O2(g) → Mg2O(s)
Mg(s) + O2(g) → MgO(s)
Mg(s) + O2(g) → MnO(s)
2Mg(s) + O2(g) → 2MgO(s)
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