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xi- stoi 1: penyetaraan, x,g, M, Mr hidrat

Authored by Fh.ekotono Wardoyo

Chemistry

11th Grade

Used 8+ times

xi- stoi 1: penyetaraan, x,g, M, Mr hidrat
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22 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 4 pts

2, 3, 1, 6

2, 6, 1, 6

4, 3, 1, 6

4, 6, 2, 6

4, 6, 1, 6

2.

MULTIPLE CHOICE QUESTION

30 sec • 4 pts

2 , 8, 1, 12

4, 8, 1, 12

8, 8, 1, 12

8, 8, 2, 12

8, 8, 8 12

3.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Serbuk tembaga (II) oksida larut dalam larutan asam klorida membentuk larutan tembaga (II) klorida dan air. Persamaan reaksi setara dan lengkap dari reaksi tersebut adalah ....

2CuO (s) + HCl (aq) → CuCl2 (aq) + H2O (l)

CuO (s) + 2 HCl (aq) → CuCl2 (aq) + H2O (l)

CuO (s) + HCl (aq) → 2CuCl2 (aq) + H2O (l)

CuO (s) + HCl (aq) → CuCl2 (aq) + 2H2O (l)

CuO (aq) + 2 HCl (aq) → CuCl2 (s) + H2O (l)

4.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Berikut adalah persamaan reaksi antara kalsium hidroksida padat dengan larutan asam klorida menghasilkan larutan kalsium klorida dan air. Persamaan reaksi kimia yang sudah setara ialah ….

Ca(OH)2(s) + HCl(aq) → CaCl2(aq) + 2H2O(l)

2Ca(OH)(s) + HCl(aq) → CaCl2(aq) + 2H2O(l)

Ca(OH)(s) + 2HCl(aq) → CaCl2(aq) + H2O(l)

Ca(OH)2(s) + 2HCl(g) → CaCl2(aq) + 2H2O(l)

Ca(OH)2(aq) + 2HCl(l) → CaCl2(aq) + 2H2O(l)

5.

MULTIPLE CHOICE QUESTION

30 sec • 4 pts

pada peristiwa korosi (perkaratan) logam besi bereaksi dengan udara (oksigen) membentuk besi (III) oksida. persamaan reaksi yang sesuai dengan peristiwa perkaratan adalah

Fe (s) + O2 (g) → Fe2O3 (s)

Fe (s) + 3 O2 (g) → 2 Fe2O3 (s)

3Fe (s) + 3O2 (g) → Fe2O3 (s)

3Fe (s) + 4O2 (g) → 2Fe2O3 (s)

4 Fe (s) + 3 O2 (g) → 2 Fe2O3 (s)

6.

MULTIPLE CHOICE QUESTION

30 sec • 3 pts

Media Image

6,02 x 1024 butir atom Na = .... mol

0,25

0,5

1,0

5,0

10,0

7.

MULTIPLE CHOICE QUESTION

30 sec • 4 pts

Media Image

3,01 x 1023 butir molekul H2O = ... mol

0,25

0,5

1,0

5,0

10,0

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