Canvis d'unitats: àtom, molècula, mol, grams...
Authored by FRANCESCA CLADERA
Chemistry, Biology, Science
2nd Grade
Used 14+ times
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17 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Quina és la massa molecular del CO?
28 g
28 u
44 u
44 g
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Quina és la massa molar de l'àcid sulfúric?
98 u
98 g
82 u
82 g
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Quina és la massa de dos mols de hidrur de sodi?
24 g
48 u
48 g
24 u
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Quantes molècules hi ha en 1 mol d' aigua?
18 molècules
6,023·1023 molècules d'aigua
3 molècules
1 molècula
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Quants àtoms d'hidrogen hi ha en 1,8·1024 molècules d'aigua?
3,6·1024 àtoms d'hidrogen
1,8·1024 àtoms d'hidrogen
5,4·1024 àtoms d'hidrogen
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Quants mols són 70 grams de CO2?
1,25 mols
2 mols
1,59 mols
3 mols
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Quants mols són 50 grams d'acid sulfúric?
0,67 mols
0,45 mols
0,23 mols
0,51 mols
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