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In câte grame de MgO se găsesc 12,046 •10 la puterea 24 atomi de Mg?

Răspuns :

Puia68
6,023x10²³ atomi.....................1molMg
12,046x10²⁴ atomi............................n= 20molMg

1molMg........1molMgO..........(24gMg+16gO)
20mol,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,m= 20x40g  MgO

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