...he says he used to read me, and is rather charmingly deferential, prefac ing his remarks by ‘Of course it’s not for me to suggest to you...’ and then ...
【简答题】(8分)过氧化氢(H 2 O 2 )是一种无色粘稠液体,其水溶液又俗称双氧水,呈弱酸性,医疗上用作外科消毒剂。研究表明:H 2 O 2 具有立体结构,两个氢原子像在半展开书本的两页纸上,两页纸面的夹角约为94°,氧原子在书的夹缝上,O-H键与O-O键之间的空间夹角约为97° ⑴H 2 O 2 的电子式为 ,⑵经测定,H 2 O 2 为二元弱酸,其酸性比碳酸弱,请写出其第一步的电离方程式______...