xi- stoi 1: penyetaraan, x,g, M, Mr hidrat
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Hard
Fh.ekotono Wardoyo
Used 8+ times
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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
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
3,01 x 1023 butir molekul H2O = ... mol
0,25
0,5
1,0
5,0
10,0
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