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2014-10-29T22:37:43+02:00
Mco2=Ac+2Ao=12+32=44g/mol
daca 44 g reprezinta 100%(adica totalul )
gramele de carbon reprezinta x

44g.....100%
12g......x
x=27.27%

Mco=12+16=28g/mol
28g.....100%
12g......x
x=42.85%
2 4 2