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Stoikiometri

Authored by Luthfi Talitha

Chemistry

11th Grade

Used 3+ times

Stoikiometri
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Untuk menyatakan massa satu atom suatu unsur atau massa satu molekul digunakan ...

satuan massa atom

massa atom relatif

satuan massa molekul

massa molekul relatif

2.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Menurut IUPAC dan IUPAP standar satuan massa atom adalah ...

12 x massa 1 atom 12C

3.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Berapa massa atom relatif dari atom O?

1

12

16

8

4.

MULTIPLE CHOICE QUESTION

2 mins • 10 pts

Berapa gram massa unsur oksigen dalam 11 gram karbon dioksida? (Ar C=12, O=16)

3 gram

11 gram

8 gram

4 gram

5.

MULTIPLE CHOICE QUESTION

3 mins • 10 pts

Jika diketahui Ar C=12, H=1, dan O=16, berapa gram massa 0,5 mol CH3COOH?

60 gram

30 gram

6 gram

3 gram

6.

MULTIPLE CHOICE QUESTION

3 mins • 10 pts

Berapa liter volume dari 3,5 gram larutan NH4OH (Ar N=14, O=16, H=1) bila diukur suhu 0oC pada tekanan 1 atm?

22,4 liter

2,24 liter

11,2 liter

1,12 liter

7.

MULTIPLE CHOICE QUESTION

3 mins • 10 pts

Hitunglah volume dari 3,2 gram gas O2 diukur pada suhu 27oC , 1 atm. (Ar O=16; R=0,082 L atm/mol K; T= ... + 273K)

2,46 liter

2,24 liter

4,92 liter

1,12 liter

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