Obecná chemie 51-100

Obecná chemie 51-100

University

50 Qs

quiz-placeholder

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Obecná chemie 51-100

Obecná chemie 51-100

Assessment

Quiz

Life Skills

University

Easy

Created by

Plzen Chemie

Used 2+ times

FREE Resource

50 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jaká je skuteăná hmotnost jednoho atomu 1S?

2,66 x 10-23 g

5,31 x 10-23 g

7,97 × 10-23 g

1,06 × 10-22 g

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jakou hmotnost má jedna molekula vody?

6,023 × 10-23g

18 × 10-23 g

1,016 × 10-23 g

3,0 x 10-23 g

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Bude-li navázeno v gramech takové mnozství látky, které odpovídá její relativní hmotnosti, bude této látky práve:

1 mol

6,023 x 1023 mol

1/12 mol

0,166 mol

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jaké je látkové noství 2 dm' vody?

111,1 mol

222,2 mol

2 litry

2000 g

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Bude-li navázeno 18,015g H2O, pak toto moství predstavuje:

6,023 × 1023 molekul H2O

108,49 × 1023 molekul H2O

0,056 mol H2O

2,99 mol H2O

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jakou hmotnost má 2,5 mol NaOH (M = 40,0 g/mol)?

150 g

100 g

16 g

160 g

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jakou hmotnost má 1,2 mmol AgNOs (M = 170,0 g/mol)?

20,4 mg

141,7 mg

0,204 g

0,014 g

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