[" Which is the correct representation of the solubility "],[" product constant of "Ag_(2)CrO_(4)],[[" (c) "Ag^(+)1^(2)[CrO_(4)^(-2)]," (b) "[Ag^(+)][CrO_(4)^(-2)]],[" (c) [2 textrmAg ^ 7 ] [ CrO _ 4 ^ - 2 ] "," (d) "[2Ag^(-2)]^(-)[CrO_(4)^(-2)]]]