Post test Stoikiometri

Post test Stoikiometri

11th Grade

10 Qs

quiz-placeholder

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Post test Stoikiometri

Post test Stoikiometri

Assessment

Quiz

Chemistry

11th Grade

Hard

Created by

Rezalani Marista

Used 1+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

  1. Berapa jumlah atom dalam 2 mol Natrium (Na)?

2 x 6.023 x 1023 atom

12 x 6.023 x 1023 atom

23 x 6.023 x 1023 atom

6.023 x 1023 atom

3 x 6.023 x 1023 atom

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

  1. Massa dari 6,02 × 1022 atom Mg (Ar = 24) adalah …

0,1 gram

0,24 gram

0,48 gram

1,0 gram

2,4 gram

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

  1. Massa CaCO3 yang terjadi dari 0,1 mol CaCO3 adalah … ((Ar Ca = 40, O = 16, C = 12))

8 gram

10 gram

12 gram

14 gram

16 gram

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

  1. Air (H2O) memiliki massa molar 18 g/mol. Berapa massa 10 mol air?

180 g

360 g

540 g

720 g

900 g

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

  1. Satu gram zat berikut yang mengandung jumlah molekul paling sedikit adalah .... (Ar O = 16, N = 14, H = 1, C = 12)

CH4

CO2

H2O

NO

NH3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

  1. Pada STP (Suhu dan Tekanan Standar), 1 mol gas ideal memiliki volume 22,4 L. Berapakah massa 3 mol gas metana (CH4) pada STP?

96 g

3 x 16 g

3 x 22,4 L

48 g

72 g

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

  1. Unsur X sebanyak 3,01 × 1022 atom mempunyai massa = 2 gram. Massa molar unsur X adalah …

4 gram

10 gram

20 gram

40 gram

80 gram

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