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Kuis Kimia Pertemuan 7

Authored by Ir S

Chemistry

12th Grade

Used 2+ times

Kuis Kimia Pertemuan 7
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5 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 20 pts

Konfigurasi elektron ion X2- yang memiliki bilangan massa 28 dan 12 neutron adalah…..

1s2 2s2 2p6 3s2 3p6

1s2 2s2 2p6 3s2 3p6 4s1

1s2 2s2 2p6 3s2 3p6 3d1

1s2 2s2 2p6 3s2 3p6 4s2 3d1

1s2 2s2 2p6 3s2 3p6 4s2 3d2

2.

MULTIPLE CHOICE QUESTION

3 mins • 20 pts

Pembakaran sempurna 4,0 gram cuplikan yang mengandung senyawa hidrokarbon menghasilkan 2,2 gram gas karbon dioksida. (Ar C = 12 dan Ar O = 16). Persentase massa karbon dalam cuplikan tersebut adalah…..

8,25%

9,75%

10,25%

12,75%

14,75%

3.

MULTIPLE CHOICE QUESTION

3 mins • 20 pts

Mineral yang terkandung dalam air sadah sementara adalah...

Ca(HCO3)2 dan Mg(HCO3)2

CaCl2 dan MgSO4

CaSO4 dan MgSO4

BaCl2 dan MgCl2

MgSO4 dan MgCO3

4.

MULTIPLE CHOICE QUESTION

3 mins • 20 pts

Jika diketahui Ksp AgCl = 1,8 x 10-10, maka kelarutan AgCl dalam HCI 0,01 M adalah...

1,5 x 10-9 mol/L

1,8 x 10-10 mol/L

1,8 x 10-8 mol/L

2,1 x 10-10 mol/L

2,1 x 10-8 mol/L

5.

MULTIPLE CHOICE QUESTION

3 mins • 20 pts

Media Image

r = k [F2]2 [ClO2]

r = k [F2]2 [ClO2]2

r = k [F2] [ClO2]2

r = k [F2] [ClO2]

r = k [ClO2]2

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