UH BAB 1 Kelas XI PERHITUNGAN KIMIA

Quiz
•
Chemistry
•
10th Grade
•
Hard
Dina Anggreni
Used 3+ times
FREE Resource
7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Di antara reaksi berikut yang sudah setara adalah ....
H2 + O2 → H2O
N2 + 3H2 → 2NH3
Mg + HCl → MgCl2 +H2
C + O2 → CO
SO2 + 3O2 → SO3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada reaksi setara:
a Cl2(g) + b NaOH(aq) --> c NaClO(aq) + d NaCl(aq) + e H2O(l)
nilai a, b, c, d, dan e berturut-turut adalah ....
1, 2, 1, 1, dan 1
3, 1, 3, 5, dan 6
3, 3, 1, 5, dan 6
2, 2, 1, 3, dan 1
3, 6, 5, 1, dan 3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diketahui persamaan reaksi:
2 Al(s) + 6 HCl(aq) --> 2 AlCl3(aq) + 3 H2(g)
Dari persamaan reaksi di atas, yang merupakan zat reaktan adalah ....
Al dan H2
HCl dan AlCl3
Al dan HCl
Al dan AlCl3
AlCl3 dan H2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diketahui reaksi Fe + S → FeS. Jika 10 g besi dicampur dengan 3,2 g S, massa FeS yang dihasilkan (Ar Fe = 56, S = 32) adalah …
13,1 g
8,8 g
5,3 g
3,1 g
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pemasanan 31,2 gram garam magnesium sulfat hidrat menghasilkan 24 gram magnesium anhidrat. Jika diketahui Mr MgSO4 = 120 dan Mr H2O = 18, tentukan jumlah air kristal yang terikat dan rumus senyawa terhidratnya.
2
4
6
8
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa yang dimaksud dengan kadar zat dalam suatu larutan?
Jumlah zat dalam larutan
Konsentrasi zat dalam larutan
Volume larutan
Temperatur Larutan
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diketahui massa atom relatif (Ar) dari H=1, C=12, O=16. Tentukan persentasa massa unsur C dalam senyawa glukosa (C6H12O6) !
10 %
20 %
40 %
60 %
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