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  • Vielas daudzuma, masas, molmasas, tilpuma un dalļiņu skaita aprēķināšana

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ID number:123886
 
Evaluation:
Published: 25.02.2025.
Language: Latvian
Level: Elementary school
Literature: n/a
References: Not used
Extract

Vielas daudzums
Par vielas daudzumu sauc vielas daļiņu skaitu, kas izteikts molos;
Vielas daudzuma mērvienība ir mols
Apzīmē ar mazo n, norādot konkrētas daļiņas piemēram, n(o2)

Avogadro konstante
Parada daļiņu skaitu vienā molā (6,02 *1023)!!!!!! mol-1; 6,02 *10-23
Apzīmē ar NA/N0
Ja vielas daudzums ir mazs , tad izmanto mazākas mērvienības – milimolus (mmol) vai mikromolus. ( µmol)
!!!!!0,0015 mol = 1,5 mmol jeb 1,5 *10-3 mol (jāreizina ar 1000, jo mols ir lielāks par mmol)!!!…

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