
Mængdeberegning II KeC
Quiz
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Hard
Sussss San
FREE Resource
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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
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