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Calculati numarul de Atomi cuprins in 96 g sulf. Chimie clasa 7

Răspuns :

1 mol S cantareste 32 g S si contine 6,022x10^23 atomi S

daca 32 g S ............... 6,022x10^23 atomi S

dar la 96 g .................... n = 96x6,022x10^23/32 = 18,066x10^23

= 1,807x10^24 atomi S