Berapa jumlah atom dalam 2 mol Natrium (Na)?
Post test Stoikiometri

Quiz
•
Chemistry
•
11th Grade
•
Hard
Rezalani Marista
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2 x 6.023 x 1023 atom
12 x 6.023 x 1023 atom
23 x 6.023 x 1023 atom
6.023 x 1023 atom
3 x 6.023 x 1023 atom
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Massa dari 6,02 × 1022 atom Mg (Ar = 24) adalah …
0,1 gram
0,24 gram
0,48 gram
1,0 gram
2,4 gram
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Massa CaCO3 yang terjadi dari 0,1 mol CaCO3 adalah … ((Ar Ca = 40, O = 16, C = 12))
8 gram
10 gram
12 gram
14 gram
16 gram
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Air (H2O) memiliki massa molar 18 g/mol. Berapa massa 10 mol air?
180 g
360 g
540 g
720 g
900 g
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Satu gram zat berikut yang mengandung jumlah molekul paling sedikit adalah .... (Ar O = 16, N = 14, H = 1, C = 12)
CH4
CO2
H2O
NO
NH3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada STP (Suhu dan Tekanan Standar), 1 mol gas ideal memiliki volume 22,4 L. Berapakah massa 3 mol gas metana (CH4) pada STP?
96 g
3 x 16 g
3 x 22,4 L
48 g
72 g
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Unsur X sebanyak 3,01 × 1022 atom mempunyai massa = 2 gram. Massa molar unsur X adalah …
4 gram
10 gram
20 gram
40 gram
80 gram
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