Quantes molècules hi ha en 5 mols d' amoníac?

Factors de conversió 4t Xisca Rosselló

Quiz
•
Chemistry
•
4th Grade
•
Medium
FRANCESCA CLADERA
Used 24+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
5·1023 molècules
3,011·1024 molècules
2,12·1024 molècules
No hi ha molècules perquè l'amoníac té enllaç iònic
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Quin és el pes (en grams) de 5·1024 molècules d'aigua?
124,56 grams
200 grams
160,5 grams
149,45 grams
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Quants àtoms de sofre hi ha en 125 grams d'àcid sulfhídric?
2,21·1024 àtoms de sofre
El doble que de molècules
5·1024 àtoms de sofre
3·1023 àtoms de sofre
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Quants mols són 18,066·1023 molècules de diòxid de carboni?
3 mols
1,5 mols
2 mols
4,25 mols
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Quina és la massa molecular del fosfat de calci?
87 u
250 u
310 u
Cap dels anteriors
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Quina és la massa (en grams) de 1024 àtoms d'heli?
8,4 grams
7 grams
6,64 grams
12,09 grams
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Quants àtoms d'oxigen hi ha en 5 grams d'hidrogencarbonat de magnesi?
3,12·1024 àtoms d'oxigen
4,012·1023 àtoms d'oxigen
1500 àtoms d'oxigen
1,23·1023 àtoms d'oxigen
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