皮皮学，免费搜题
登录
搜题
【单选题】
已知某一元弱酸的浓度为0．01mol／L，pH=4．55，则其解离常数Ka为( )。A.
5．8×10-2
B.
9．8×10-3
C.
8．6×10-7
D.
7．97×10-8
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 nursing student needs to administer potassium chloride intravenously as prescribed to a client with hypokalemia. The nursing instructor determines that the student is unprepared for this procedure...
A.
Obtaining an intravenous (IV) infusion pump
B.
Monitoring urine output during administration
C.
Preparing the medication for bolus administration
D.
Ensuring that the medication is diluted in the appropriate amount of normal saline
【单选题】Why does the student want to audit the course?
A.
She needs the additional credits.
B.
It is a prerequisite for another class.
C.
She does not want to pay tuition.
D.
She needs to learn the material.
相关题目：