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Liczba Avogadra

8 klasa

QuestionAnswer
W jednym molu znajduje się (6,02214179 ± 0,00000030) · 1023 cząstek stała Avogadra
Jeden mol jest to liczność materii układu, zawierającego liczbę cząstek (np. atomów , cząsteczek , jonów , elektronów i innych indywiduów chemicznych) równą liczbie atomów zawartych w 12 gramach izotopu węgla 12C Mol
masa molowa jest liczbowo równa względnej masie molowej oraz podobna do wartości liczby masowej . Masa molowa
masa cząsteczkowa wyrażana jest w atomowych jednostkach masy (tzw. unit); jednostka ta równa jest jednej dwunastej masy atomu izotopu węgla 12C. masa cząsteczkowa
liczba określająca ile razy masa jednego reprezentatywnego atomu danego pierwiastka chemicznego jest większa od 1/12 masy atomu izotopu 12C masa atomowa
to zbiór identycznych cząstek chemicznych posiadający stały i określony skład chemiczny oraz jednakowe właściwości fizyczne i chemiczne. Substancja chemiczna
Created by: 2131278070295406
 

 



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