Răspuns :
Metanul: CH4 contine in molecula 4 legaturi sigma
MCH4=12+4=16g/mol
1mol metan........16g.......4*6,022*10²³ legaturi sigma
............................x g........48,176*10²6 legaturi sigma
x=48,176*16*10²6/4*6,022*10²³=32000g metan=32kg metan
MCH4=12+4=16g/mol
1mol metan........16g.......4*6,022*10²³ legaturi sigma
............................x g........48,176*10²6 legaturi sigma
x=48,176*16*10²6/4*6,022*10²³=32000g metan=32kg metan