已知:I2+2S2O ===S4O +2I-。 某学习小组用“间接碘量法”测定含有CuCl2·2H2O晶体的试样(不含能与I-发生反应的氧化性杂质)的纯度,过程如下:取0.36 g试样溶于水,加入
已知:I2+2S2O ===S4O +2I-。 某学习小组用“间接碘量法”测定含有CuCl2·2H2O晶体的试样(不含能与I-发生反应的氧化性杂质)的纯度,过程如下:取0.36 g试样溶于水,加入
The copper(II) chloride hydrate (CuCl2∙2H2O) crystals 1 were either sourced from Baker (Analyzed Reagent grade) and used as received, or synthesized by adding SO2Cl2 (13.63 mg, 0.101 mmol) in 1 mL CH2Cl2 to a suspension of CuCl (10.0 mg, 0.101 mmol) in 1 mL CH2Cl2 at 0 °C. ...