Concentration of the Zn$+?$ ions in a saturated solution of ZnCO; is $3\mathrm{.}5$ x $105$ mol$/$L$.$Solubility product of ZnCOs is$,$a$.3\mathrm{.}5\backslash$times $10-5$b$.3\mathrm{.}675\backslash$times $109.1\mathrm{.}225\backslash$times $10-9$d$.5\mathrm{.}3$ x $10-12$ e$.2\mathrm{.}42\backslash$times $10-8$