KONSEP MOL

KONSEP MOL

10th - 12th Grade

20 Qs

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KONSEP MOL

KONSEP MOL

Assessment

Quiz

Chemistry

10th - 12th Grade

Practice Problem

Medium

Created by

Untari Tasrip

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Diantara senyawa-senyawa berikut yang mempunyai Mr=101 adalah ....

(ArH=1, C=12, N =14, O=16, Na=23, Cl=35,5, K=39)

NaHCO3

NaCl

C2H3OH

NH4Cl

KNO3

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Pada reaksi : 2H2(g) + O2(g) → 2H2O (g)

Agar dihasilkan 18n partikel uap air, maka jumlah partikel H2(g) dan O2(g) yang diperlukan adalah ....

18n dan 18n

18n dan 9n

18n dan 6n

9n dan 6n

9n dan 12n

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Diketahui reaksi : 2C2H6(g) + 7O2 → 4CO2(g) + 6H2O(g).

Jumlah partikel gas CO2 dan uap air seluruhnya 1,2 × 1022 molekul, maka jumlah partikel C2H6 adalah ....

1,2 × 1022

2,4 × 1022

3,6 × 1022

4,8 × 1022

6 × 1021

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Diantara yang berikut ini, yang mengandung jumlah partikel terbanyak adalah ....

1 mol besi (Fe)

1 mol air (H2O)

1 mol amonia (NH3)

1 mol glukosa (C6H12O6)

sama semua

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Jumlah mol 3,01 × 1023 atom argon adalah ....

0,1

0,5

1,5

2,0

3,0

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Jika L adalah tetapan Avogadro, maka jumlah atom oksigen dalam 85,7 mol Al2(SO4)3 adalah ....

12 L

36 L

48 L

60 L

4 L

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Diantara 1 gram senyawa berikut ini, yang mengandung jumlah molekul terbanyak adalah ....

HNO3 (Mr = 63)

CO2 (Mr = 44)

H2O (Mr = 18)

H2SO4 (Mr = 98)

Ca(OH)2 (Mr = 74)

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