【简答题】Crazy is our new normal. With two age boys and three little boys, our family is restless—to the baseball field, track field(田径场)and piano lessons. Even though we’ve limited each boy’s activities a...
【单选题】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;m...
【简答题】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;m...
【单选题】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;m...