Respostas

2014-04-08T15:27:57-03:00
(a) C: 2 * 0,724 * 6,02 * 10^23= 8,72 * 10^23
(b) H: 6 * 0,724 * 6,02 * 10^23= 2,62 * 10^24
(c) O: 1 * 0,724 * 6,02 * 10^23= 4,36 * 10^23

Informação adicional 1 Mol= 6,02 * 10^23
2 2 2