Perhitungan kimia (diagnostik)
Quiz
•
Chemistry
•
11th Grade
•
Medium
jdguru yachh
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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 10 pts
Berapa volume 1 mol gas ideal pada STP (Suhu dan Tekanan Standar)?
2,24 L
22,4 L
224 L
2.24 L
2.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
satuan Internasional (SI) untuk menyatakan jumlah zat dalam perhitungan kimia disebut?
Molalitas
Massa
Mol
Molaritas
3.
MULTIPLE SELECT QUESTION
30 sec • 10 pts
Manakah di bawah ini rumus yang tepat untuk mencari mol dalam massa?
n = gr/Mr
P.V=n.R.T
n = gr/Ar
V = n.22,4 L
4.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Jika massa molar oksigen (O2) adalah 32 g/mol, berapa massa 2 mol oksigen?
16
8
32
64
5.
MULTIPLE CHOICE QUESTION
20 sec • 10 pts
P . V = n. R. T merupakan rumus?
Volume STP
Jumlah partikel
Persamaan gas ideal
Molalitas
6.
MULTIPLE CHOICE QUESTION
45 sec • 10 pts
Jika volume 1 mol gas adalah 22,4 L pada STP, berapa volume 0,5 mol gas pada suhu dan tekanan yang sama?
22,4
11,2
33,6
44,8
7.
MULTIPLE CHOICE QUESTION
45 sec • 10 pts
Berapa massa molar dari senyawa CaCO₃ jika masing-masing atom memiliki massa relatif: Ca = 40, C = 12, O = 16?
50 g/mol
80 g/mol
100 g/mol
90 g/mol
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