Respostas

2014-07-25T14:04:10-03:00
1-) Alceno

C_{n}H_{2n}

C = 20 átomos
H = 20.2 = 40 átomos

C_{20}H_{40}

2-) Alceno

C_{n}H_{2n+2}

C= 18 átomos
H = 18.2 + 2 = 38 átomos


C_{18}H_{38}

3 2 3