CA: LA MOLARITAT
Quiz
•
Science, Chemistry
•
9th - 11th Grade
•
Hard
Nuria Martinez
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
VERITAT O FALS: La molaritat és una forma d'indicar la concentració de solut en una dissolució
VERITAT
FALS
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La unitat de la molaritat és...
mols / L
g / mols
mols / ml
kg / L
3.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Quina és la molaritat de 3 mols de CO2 en 2 L de dissolució? (INDICA NOMÉS EL VALOR NUMÈRIC SENSE UNITAT)
4.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
Quina és la molaritat d'una solució constituïda per 4 mols de NH3 en 500 ml de dissolució?
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Calcula la molaritat de una solució constituïda per 340 g de NH3 en 4 L de dissolució. Dada: la massa molecular del NH3 és 17 g/mol.
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Calcula la molaritat d'una solució consituïda per 292,5 g de NaCl en 2 L de dissolució.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hem de preparar una dissolució de NaCl en 500 ml de solució. Quants mols de NaCl ha de contenir per tenir una molaritat de 2 mols/L?
1 mol de NaCl
250 mols de NaCl
2 mols de NaCl
500 mols de NaCl
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