What wast the 'k_{\mathrm{h,cc}} = \frac{c_{\mathrm{aq}}}{c_{\mathrm{gas}}}' of CO 2?
CREATE TABLE "table1_238199_1" (
  "equation" text,
  "k_mathrm_h_pc_frac_p_c_mathrm_aq" text,
  "k_mathrm_h_cp_frac_c_mathrm_aq_p" text,
  "k_mathrm_h_px_frac_p_x" text,
  "k_mathrm_h_cc_frac_c_mathrm_aq_c_mathrm_gas" text
);
SELECT "k_mathrm_h_cc_frac_c_mathrm_aq_c_mathrm_gas" FROM "table1_238199_1" WHERE "equation"='CO 2';