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Popaale23
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Cati atomi se gasesc in 1 supra2 moli de Ca, N, O ?

Răspuns :

Ralucagabi
1/2=0,5 moli

1 mol Ca........6,022×10^23 atomi Ca
0,5 moli ..........x
x=0,5×6,022×10^23
x=3,011×10^23 atomi Ca

1 mol N......6,022×10^23 atomi N
0,5 moli .......x
x=0,5×6,022×10^23
x=3,011×10^23 atomi N

1 mol O........6,022×10^23 atomi O
0,5 moli .......x
x=0,5×6,022×10^23
x=3,011×10^23 atomi O