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Post Test Pereaksi Pembatas

Authored by Eni Yunita

Chemistry

9th - 12th Grade

Used 7+ times

Post Test Pereaksi Pembatas
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12 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Aluminium larut dalam larutan asam sulfat menghasilkan larutan aluminium sulfat dan gas hidrogen. Tulis persamaan reaksi yang telah setara.

2 Al(s) + 2 H2SO4(aq) → Al2(SO4)3(aq) + 3 H2(g)

2 Al(s) + 3 H2SO4(aq) → Al2(SO4)3 (aq) + 4 H2(g)

2 Al(s) + H2SO4(aq) → 2 Al2(SO4)3(aq) + 3 H2(g)

2 Al(s) + 3 H2SO4(aq) → Al2(SO4)3(aq) + 3 H2(g)

2 Al(s) + 3 H2SO4(aq) → Al2(SO4)3(aq) + 4 H2(g)

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

1, 2, 3

1, 3, 2

2, 1, 3

2, 3, 1

3, 2, 1

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Perhatikan persamaan reaksi berikut.

N2 (g) + H2 (g) → NH3 (g) ................................... (reaksi belum setara)

Jika 1 mol N2 direaksikan dengan 2 mol H2, tentukan pereaksi pembatas.

N2

H2

NH3

N2 dan H2

H2 dan NH3

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Perhatikan persamaan reaksi berikut.

N2 (g) + H2 (g) → NH3 (g) ................................... (reaksi belum setara)

Jika 1 mol N2 direaksikan dengan 2 mol H2, tentukan jumlah mol NH3.

1,33 mol

2 mol

3 mol

4 mol

2,33 mol

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Perhatikan persamaan reaksi berikut.

N2 (g) + H2 (g) → NH3 (g) ................................... (reaksi belum setara)

Jika 1 mol N2 direaksikan dengan 2 mol H2, tentukanlah jumlah mol pereaksi yang bersisa.

0,15 mol

0,12 mol

0,67 mol

1 mol

0,33 mol

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Tentukan berapa mol gas CO2 yang dihasilkan dari reaksi pembakaran 2 mol oktana berikut :

C8H18 + O2 → 8CO2 + 9H2O

2 mol

4 mol

8 mol

10 mol

12 mol

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Suatu eksperimen pembakaran 11,5 gram etanol menghasilkan 22 gram CO2

dan 13,5 gram H2O. Berapa massa oksigen yang dapat membakar 11,5 gram etanol?

16 gram

8 gram

4 gram

2 gram

1 gram

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