Mængdeberegning II KeC

Mængdeberegning II KeC

9th - 12th Grade

25 Qs

quiz-placeholder

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Mængdeberegning II KeC

Mængdeberegning II KeC

Assessment

Quiz

Chemistry

9th - 12th Grade

Practice Problem

Hard

Created by

Sussss San

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25 questions

Show all answers

1.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Hvis C har 6 protoner i kernen og ca. lige så mange neutroner,
hvad vejer så 1mol C så ca.?

2.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Hvis O har 8 protoner i kernen og ca. lige så mange neutroner,
hvad vejer så 1mol O så ca.?

3.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Hvis H har 1 protoner i kernen og sjældent har neutroner,
hvad vejer så 1mol H så ca.?

4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Hvis N har 7 protoner i kernen og ca. lige så mange neutroner,
hvad vejer så 1mol N så ca.?

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Hvis Na har 11 protoner i kernen og lige lidt flere neutroner,
hvad vejer så 1mol Na så ca.?

30 g

23 g

12 g

46 g

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Hvis Cl har 17 protoner i kernen og ca. lige så mange neutroner,
hvad vejer så 1mol Cl så ca.?

28 g

18,2 g

40,8 g

35,5 g

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Hvad er molarmassen af NaCl

58.44 g/mol
55.45 g/mol
60.00 g/mol
58.00 g/mol

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