Massa atom relatif Fe = 56, S = 32, O = 16, maka massa rumus relatif Fe2(SO4)3 adalah . . .

KISI-KISI PAS KIMIA X - REMEDIAL NO

Quiz
•
Chemistry
•
1st Grade
•
Hard
Used 2+ times
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
104
152
192
248
400
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jumlah mol yang terdapat di dalam 4 gram CH4 (Ar C = 12, H = 1) adalah . . . mol
1/4
1/2
1
2
4
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
1 gram zat berikut, yang mengandung jumlah partikel paling banyak adalah . . .
H2O (Ar H = 1, O = 16)
NH3 (Ar N = 14, H = 1)
HCl (Ar H = 1, Cl = 35,5)
C3H8 (Ar C = 12, H = 1)
CO2 (Ar C = 12, O = 16)
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Masa dari 3,01 x 1023 molekul H2O (Mr = 18) adalah . . . (L = 6,02 x 1023)
4,5 gram
9 gram
18 gram
36 gram
72 gram
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Sebanyak 6,02 x 1022 molekul X2 massanya 1,6 gram; maka massa molar gas X2 adalah . . . (L = 6,02 x 1023)
64 gram/mol
32 gram/mol
16 gram/mol
8 gram/mol
1,6 gram/mol
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Unsur X yang massanya 7 gram tepat bereaksi dengan gas oksigen membentuk 19 gram senyawa dengan rumus empiris X2O3. Jika Ar O = 16, maka Ar X adalah . . .
32
28
16
14
12
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Suatu senyawa yang terbentuk dari unsur karbon dan hidrogen yang massanya 1,12 gram dibakar sempurna menghasilkan 3,52 gram gas CO2 dan 1,44 gram uap air. Rumus empiris senyawa tersebut adalah . . .
(Ar C = 12, H = 1, dan O = 16)
CH
CH2
CH3
CH4
C2H
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