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Perhitungan kimia (diagnostik)

Authored by jdguru yachh

Chemistry

11th Grade

Used 5+ times

Perhitungan kimia (diagnostik)
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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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