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18-04-2024
Chemistry

contestada

Te rog ajutati!
1. calculati masa reala a unui atom de O
2. cate grame de sulf reprezinta 3 moli de S?
3.Cati atomi de aluminiu se gasesc intr-o Al de 3g
4.cati atomi de fier se gasesc in 0,1 moli de Fe
5. cate grame de Oxigen reprezinta 18 x 10 atomi de O
6.Cati moli de Al reprezinta 3 x 10^24 atomi de Al

Respuesta :

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