
Concentrazione e Proprietà delle Soluzioni
Authored by Marcello Floris
Science
12th Grade
Used 5+ times

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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Come si chiama il rapporto tra la massa del soluto e la massa della soluzione?
Molarità
Concentrazione percentuale in massa
Osmosi
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual è l’unità di misura della molarità?
L/mol
g/mL
Mol/L
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cosa indica la molalità?
Il numero di moli di soluto per kg di solvente
Il numero di moli di soluto per L di soluzione
La massa del soluto
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cosa succede al punto di ebollizione quando si aggiunge un soluto a un solvente?
Si abbassa
Si alza
Rimane invariato
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quale tra queste soluzioni ha la minore pressione osmotica?
Una soluzione satura
Quella più concentrata
Quella meno concentrata
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quale equazione si usa per calcolare la molarità?
M = moli di soluto / L di soluzione
M = g di soluto / L di solvente
M = g di solvente / moli di soluto
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Come varia il punto di congelamento con l'aggiunta di un soluto?
Si alza
Si abbassa
Non cambia
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