Stoikiometri

Stoikiometri

University

15 Qs

quiz-placeholder

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Stoikiometri

Stoikiometri

Assessment

Quiz

Chemistry, Science

University

Practice Problem

Medium

Created by

Yuni Krisnandi Rere

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Satuan dari Massa Molekul Relatif adalah..

Kg/mol

g/mol

Mol/L

mol

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Nilai dari tetapan avogadro adalah..

6,02 x 10^23

60,2 x 10^23

6,02 x 10^22

60,2 x 10^22

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Berapa nilai dari volume yg diukur pada keadaan standar (STP)?

24,4

22,4

2,24

2,44

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Berapa massa molekul relatif (Mr) dari C2H5OH? Ar C= 12, O= 16, H= 1

45

46

29

36

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Hitunglah berapa mol dari 4 gram zat jika diketahui Mr zat = 40 g/mol

0,01

0,1

0,001

1,0

6.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Media Image

Pembakaran sempurna 16 gram gas CH4 akan ... (Ar C=12; H=1; O=16), Pilih 1 jawaban saja

memerlukan 64 gram gas oksigen

menghasilkan 44 gram gas karbon dioksida

menghasilkan 36 gram uap air

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 CaCO3 + HNO3 Ca(NO3)2 + CO2 + H2OCaCO_3\ +\ HNO_3\rightarrow\ Ca\left(NO_3\right)_2\ +\ CO_2\ +\ H_2O  Jika direaksikan 5 mg kalsium karbonat, maka akah dihasilkan gas karbon dioksida sebanyak ... mL (STP)

Ar Ca=40; C=12; O=16

1,12

2,24

3,36

4,48

6,72

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