8. MEDŽIAGOS KIEKIS. MASĖ

8. MEDŽIAGOS KIEKIS. MASĖ

1st - 12th Grade

13 Qs

quiz-placeholder

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8. MEDŽIAGOS KIEKIS. MASĖ

8. MEDŽIAGOS KIEKIS. MASĖ

Assessment

Quiz

Chemistry

1st - 12th Grade

Practice Problem

Medium

Created by

Vygandas Marozas

Used 13+ times

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13 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Bandinyje yra 12,04  102312,04\ \cdot\ 10^{23} vandens molekulių. Koks bus vandens molekulių kiekis moliais? 

1

2

3

4

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Kiek atomų yra 2 moliuose geležies bandinyje?

12,04102312,04\cdot10^{23}

6,0210236,02\cdot10^{23}

3,0110233,01\cdot10^{23}

18,06102318,06\cdot10^{23}

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Kokį medžiagos kiekį sudaro 12 gramų anglies?

0,5 mol

1 mol

2 mol

2,5 mol

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Kokį medžiagos kiekį sudaro 36 gramai anglies?

1 mol

2 mol

3 mol

4 mol

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Kiek gramų svers 0,5 mol CO2CO_2 (anglies dioksido) dujų?

11 g

22 g

44 g

88 g

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Apskaičiuokite, kiek svers 0,5 mol  SO2SO_2  (sieros dioksido) dujų?

16 g

32 g

64 g

108 g

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Kokia masė yra 3 molių Cl2 (chloro) dujų?

53,1 g

106,2 g

212,4 g

424,8 g

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