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XI.C TUGAS AKHIR SEMESTER GANJIL 2024/2025 (minggu 1 Des 2024)

Authored by Trimo Ponendri

Chemistry

11th Grade

Used 1+ times

XI.C TUGAS AKHIR SEMESTER GANJIL 2024/2025 (minggu 1 Des 2024)
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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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