Perhatikan persamaan reaksi kimia berikut.
Na2S2O3(aq) + I2(aq) → Na2S4O6(aq) + NaI(aq)
Agar persamaan reaksi kimia di atas setara, maka koefisien untuk Na2S2O3 dan NaI adalah ….
persamaan reaksi kimia jayden and jericho
Quiz
•
Chemistry
•
9th - 12th Grade
•
Medium
Josua Erson
Used 5+ times
FREE Resource
47 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Perhatikan persamaan reaksi kimia berikut.
Na2S2O3(aq) + I2(aq) → Na2S4O6(aq) + NaI(aq)
Agar persamaan reaksi kimia di atas setara, maka koefisien untuk Na2S2O3 dan NaI adalah ….
1 dan 2
1 dan 1
2 dan 1
2 dan 2
2 dan 3
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dari reaksi :
Cu + 2NHO3 → Cu(NO3)2 + H2
yang disebut produk adalah ...
HNO3
Cu dan HNO3
HNO3 dan H2
Cu(NO3)2 + H2
Cu(NO3)2
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
aNa2CO3(aq) + bHCl(aq) → cH2CO3(aq) + dNaCl(aq)
Maka koefisien a, b, c, dan d adalah ….
1, 2, 1, 2
1, 2, 2, 1
1, 1, 2, 2
2, 1, 1, 2
2, 1, 2, 1
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Ca(OH)2(s) + HCl(aq) → CaCl2(aq) + H2O(l)
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(s) + 2HCl(aq) → CaCl2(aq) + 2H2O(l)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Di antara reaksi berikut yang sudah setara adalah …
H2 + O2 → H2O
Mg + HCl → MgCl2 +H2
SO2 + 3O2 → SO3
N2 + 3H2 → 2NH3
6.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Diketahui persamaan reaksi belum setara :
SO3 (g)→SO2 (g)+ O2(g)
Setelah disetarakan, maka koefisien dari SO3 adalah . . . .
1
2
3
4
7.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Diketahui persamaan reaksi belum setara :
KClO3 (g)→KCl (g)+ O2(g)
Setelah disetarakan, maka koefisien dari O2 adalah . . . .
1
2
3
6
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