STOIKIOMETRI
Quiz
•
Chemistry
•
1st Grade
•
Practice Problem
•
Hard
Tsaniyah Khairillaili
Used 40+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Jika 100 cm3 suatu oksida nitrogen terurai dan menghasilkan 100 cm3 nitrogen (II) oksida dan 50 cm3 oksigen (semua volume gas diukur pada suhu dan tekanan yang sama), maka oksida nitrogen tersebut adalah …
NO
NO2
N2O
N2O4
N2O5
Answer explanation
NO2
2.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
Berikut ini yang mengandung jumlah partikel terbanyak adalah …
1 mol besi (Fe)
1 mol air (H2O)
1 mol amonia (NH3)
1 mol glukosa (C6H12O6)
Semua zat memiliki jumlah partikel yang sama
3.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Jika 3,01 x 1022 atom unsur x massanya 3 gram, maka massa atom relatif unsur itu adalah ....
9,03
15,05
30
60
120
4.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Pada suhu dan tekanan tertentu, volume dari 14 gram nitrogen (N2) Adalah 14 liter. Pada suhu dan tekanan sama, volume dari 16 gram oksigen (O2) adalah ...
7 liter
8 liter
14 liter
16 liter
32 liter
5.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Pada suhu dan tekanan tertentu, 2 gram gas X2 Mempunyai volume 1 liter. Jika pada suhu dan tekanan yang sama 7,5 gram C2H6 (Mr = 30) mempunyai volume 10 liter, maka massa atom relatif X adalah ...
20
25
40
60
80
6.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Jika diketahui Ar Ca = 40, C = 12, O = 16 dan bilangan Avogadro = 6,02×1023, maka 50 gram CaCO3 mempunyai jumlah molekul .....
3,01 × 1021
3,01 × 1022
6,02 × 1022
3,10 × 1023
1,204 × 1023
7.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Massa glukosa (C6H12O6) yang harus dilarutkan dalam 500 mL air untuk membuat larutan glukosa (C6H12O6) 0,2 M (Ar C = 12, H = 1, dan O = 16) adalah ...
9 gram
18 gram
36 gram
54 gram
90 gram
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