QUIZ STOIKIOMETRI

QUIZ STOIKIOMETRI

12th Grade

10 Qs

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QUIZ STOIKIOMETRI

QUIZ STOIKIOMETRI

Assessment

Quiz

Chemistry

12th Grade

Practice Problem

Medium

Created by

Roni Nasriko

Used 7+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 10 pts

Hitunglah massa dari 0,2 mol Al! (Ar Al = 27)

2,7 gram

5,4 gram

8,1 gram

10,8 gram

13,5 gram

2.

MULTIPLE CHOICE QUESTION

1 min • 10 pts

Berapa volume dari 2 mol gas Odalam keadaan standar?

2,24 L

4,48 L

11,2 L

22,4 L

44,8 L

3.

MULTIPLE CHOICE QUESTION

2 mins • 10 pts

Berapa massa dari 5 liter gas nitrogen (N2) pada 27oC dan tekanan 3 atm? (Ar N = 14)

13,5 gram

17,07 gram

27 gram

34,14 gram

54 gram

4.

MULTIPLE CHOICE QUESTION

3 mins • 10 pts

Pada suhu dan tekanan tertentu, volume dari 22 gram gas karbon dioksida (CO2) adalah 10 liter. Pada suhu dan tekanan yang sama, berapakah volume dari 8 gram gas oksigen (O2)? (Ar O = 16; C = 12 )

1 L

5 L

10 L

20 L

25 L

5.

MULTIPLE CHOICE QUESTION

5 mins • 10 pts

Suatu senyawa tersusun dari 52% karbon, 13% hydrogen, dan sisanya oksigen. Rumus empiris senyawa itu adalah …. (Ar C = 12; H = 1; O = 16)

C2H4O

C3H8O

C2H6O

C3H6O

A. C3H8O2

6.

MULTIPLE CHOICE QUESTION

3 mins • 10 pts

Persentase massa kalsium ( Ca ) dalam batu kapur (CaCO3) adalah …. ( Ar Ca = 40, C = 12, O = 16 )

12%

16%

40%

48%

60%

7.

MULTIPLE CHOICE QUESTION

5 mins • 10 pts

Aluminium banyak digunakan untuk alat-alat rumah tangga. Berapa gram Al yang terdapat dalam 204 gram aluminium oksida, Al2O3? (Ar Al = 27, O = 16)

13

27

51

54

108

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