用0.1120 mol/L Na 2 S 2 O 3 标准溶液滴定24.48 mL I 2 溶液，消耗Na 2 S 2 O 3 溶液23.31 mL，计算I 2 溶液的浓度 相关反应：I 2 +2Na 2 S 2 O 3 =2NaI + Na 2 S 4 O 6 计算公式应该是： mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma;mso-bidi-font-family: "Times New Roman";mso-bidi-theme-font:minor-bidi;mso-ansi-language:EN-US; mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">公式中的 mso-fareast-font-family:微软雅黑;mso-bidi-font-family:"Times New Roman";mso-bidi-theme-font: minor-bidi;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language: AR-SA;mso-no-proof:yes">V A mso-bidi-font-family:"Times New Roman";mso-bidi-theme-font:minor-bidi; mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA"> Tahoma;mso-bidi-font-family:"Times New Roman";mso-bidi-theme-font:minor-bidi; mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">为：