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Cate molecule sunt intr-un gram de monoxid de carbon?

Răspuns :

MCO=AC+AO=12+16=28g/mol

n=m/M=1/28=0.035714 moli CO

1mol C............6.023×10^23 molecule
0.035714 moli......x=0.2151×10^23 molecule=21.51×10^21 molecule

1mol O....................6.023×10^23 molecule
0.035714 moli......x=0.2151×10^23 molecule=21.51×10^21 molecule