A. 环境湿度的改变 B. 体系温度 C. 反应物浓度 D. 催化剂的加入 E. 相关电对的条件电位
A. 使用碘量瓶 B. 滴定时不能摇动,滴定结束时再摇 C. 加入过量KI D. 滴定时加热 E. 以上都对
A. Carry this parcel for me, will you? B. Nobody wants to go there, does he? C. Few people knew him, don’t they? D. Everything is ready, isn’t it? do they?