Ka, the acid dissociation constant, for an acid is 9 × 10^{−4} at room temperature. at this temperature, what is the approximate percent dissociation of the acid in a 1.0 m solution?
(a) 0.03%
(b) 0.09%
(c) 3%
(d) 5%
(e) 9%
can you explain with some details?