皮皮学，免费搜题
登录
搜题
【简答题】
今欲配制pZn为11.0的溶液，若控制pH=5.5，在20mL0.020mol·L -1 Zn 2+ 溶液中应加入同体积浓度为______mol·L -1 的EDTA溶液。(lgK ZnY =16.5；pH=5.5时，lgα Y(H) =5.5。)
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】The old man lived in a remote mountain village.
A.
direct object
B.
adverbial
C.
object complement
D.
attribute
【简答题】哪种标注类型用于创建平行于所选对象的直线型尺寸。 A、线性标注 B、对齐标注 C、连续标注 D、快速标注
【单选题】________ the new life in Qingdao，the old man lived happily with his son.
A.
Accustomed to
B.
Accustoming
C.
Having accustomed to
D.
Having used to
【单选题】______ the new life in Qingdao, the old man lived happily with his son after leaving his home in the countryside.
A.
Accustomed to
B.
Accustoming to
C.
Having accustomed to
D.
having used to
相关题目：