Respostas

2014-02-03T22:09:23-02:00
           ZnS ~>       Zn    +  S
            3,5.10⁻⁵    3,5.10⁻⁵    3,5.10⁻⁵

Kps = [3,5.10⁻⁵] . [3,5.10⁻⁵] = 1,225.10⁻⁹
1 1 1