4.Otopine Flashcards

1
Q

Što su otopine?

A

-homogene smjese čistih tvari koje se sastoje od otapala i otopljene tvari

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2
Q

Što je otapalo?

A

To je komponenta koje u otopini ima više i ne sudjeluje u kem reakciji

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3
Q

Što je otopljena tvar?

A

Komponenta koje ima manje te sudjeluje u kem reakciji

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4
Q

Formula za količinsku koncentraciju?

A

c=n/V

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5
Q

Formula za masenu koncentraciju?

A

y=m/V

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6
Q

Formula za maseni udio?

A

w=m otopljena tvar/m

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7
Q

Priprema otopina za čvrsto stanje

A

otapanjem soli u vodi

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8
Q

Priprema otopina za tekuće stanje

A

razrjeđivanje

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9
Q

Formula Etanol?

A

C2H5OH

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