【单选题】AgCl 、 Ag 2 CrO 4 、 Ag 2 C 2 O 4 和 AgBr 的 K sp Θ 分别为 1.56×10 - 10 、 1.1×10 - 12 、 3.4×10 - 17 、 5.0×10 - 13 ,在下列难溶电解质的饱和溶液中 c(Ag + ) 最大的是: ()
【单选题】96 Rumbold Street Ayresford Hampshire W13 1PW May 19 Jetline Claims Office Jetline UK Limited 35 Manchester Road London EC2 3HD Dear Sir or Madam: 1 am writing with regard to damage to my suitcase inc...
A.
To report some lost property
B.
To claim some expenses
C.
To complain about a flight
D.
To request a copy of a form
【简答题】阅读理解。 Welcome to the United States of America 1. First (Given) name 2. Date of birth (dd / mm / yy) 3. Flight 4. Number of family members traveling with you 5. Country of citizenship 6. Purpose of vis...
【简答题】(12分) Ⅰ.已知常温下,AgCl的Ksp=1.8×10 -10 ,AgBr的Ksp=4.9×10 -13 。 (1)现向AgCl的悬浊液中: ①加入AgNO 3 固体,则c(Cl - ) (填“变大”、“变小”或“不变”,下同); ②若改加更多的AgCl固体,则c(Ag + ) ; ③若改加更多的KBr固体,则c(Ag + ) ,c(Cl - ) ; (2)有关难溶盐的溶度积及溶解度有以下叙述...
【单选题】Which of the following is true according to the passage?
A.
All people can still work very well after the flight from China to America.
B.
If you feel thirsty during a flight, you have jet lag.
C.
Your body clock may get confused when you cross time zones.
D.
You will have jet lag if you fly from Japan to Sydney
【简答题】Ⅰ.已知常温下,AgCl的K sp =1.8×10 -10 ,AgBr的K sp =4.9×10 -13 . (1)现向AgCl的悬浊液中: ①加入AgNO 3 固体,则c(Cl - )______(填“变大”、“变小”或“不变”,下同); ②若改加更多的AgCl固体,则c(Ag + )______; ③若改加更多的KBr固体,则c(Ag + )______,c(Cl - )______; (2)...
【单选题】已知几种难溶电解质的溶度积常数(25℃)见下表 难溶电解质 AgCl AgBr AgI Ag 2 SO 4 Ag 2 CrO 4 Ksp 1.8×10 -10 5.4×10 -13 8.5×10 -17 1.4×10 -5 1.12×10 -12 下列对AgCl、AgBr、AgI、Ag 2 SO 4 、Ag 2 CrO 4 叙述不正确的是( )
B.
将等体积的4×10 -3 mo1?L -1 的AgNO 3 和4×10 -3 mo1?L -1 K 2 CrO 4 混合,有Ag 2 CrO 4 沉淀产生
C.
向AgCl的悬浊液中滴加NaI的饱和溶液可以得到黄色AgI悬浊液
D.
100mL0.1mol?L -1 的Na 2 SO 4 溶液中加入1mL0.1mol?L -1 的AgNO 3 溶液,有白色沉淀生成