Stokiometri - C

Stokiometri - C

10th Grade

35 Qs

quiz-placeholder

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Stokiometri - C

Stokiometri - C

Assessment

Quiz

Chemistry

10th Grade

Hard

Created by

Syamsuddin Hiymu

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35 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Agar dapat menghasilkan 9 gram air, maka 7 gram hidrogen harus dibakar dengan ok- sigen sebanyak (Ar H =1, 0 .16) ....

2 gram

4 gram

6 gram

8 gram

10 gram

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Pada pembakaran 12 gram suatu persenyawaan karbon dihasilkan 22 gram gas CO2 (Ar C = 12, O =16). Unsur karbon senyawa tersebut adalah ….

23%

27%

50%

55%

77%

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Untuk pembakaran sempurna 5 mol gas propana (C3H8) dibutuhkan gas oksigen sebanyak

55 mol

45 mol

35 mol

25 mol

15 mol

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Pada pembakaran sempurna satu mol alkohol, CnH2n+1OH, dihasilkan air sebanyak ….

1 mol

n + mol

n + 1 mol

2n + 1 mol

2n + 2 mol

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Gas asetilena C2H2 bila dibakar akan meng-hasilkan gas CO2 dan H20. Kalau gas asetilena yang dibakar sebanyak 260 gram, maka oksigen yang diperlukan adalah …..

880 gram

800 gram

650 gram

180 gram

128 gram

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jika KCIO3 dipanaskan akan terurai menjadi KCI dan O2. Pemanasan 245 gram KCIO3 (massa molekul relatif = 122,5) akan menghasilkan gas oksigen sebanyak ….

32 gram

48 gram

64 gram

80 gram

96 gram

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Pada suhu dan tekanan tertentu, volum 1 gram gas NO = 1,28 liter. Pada suhu dan tekanan yang sama, volum gas yang terjadi pada pembakaran sempurna 4 gram bele-rang (BA = 32, O = 16, N = 14) adalah ….

4,8 liter

3,6 liter

5,12 liter

10,24 liter

0,36 liter

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