【单选题】有0.5000g纯的KIO x ,将其还原成碘化物后用23.36mL 0.1000mol/L的AgNO 3 溶液恰能滴到计量点,则x应是( )。
【单选题】有 0.5000g 纯的 KIO x ,将其还原成碘化物后用 23.36mL 0.1000mol/LAgNO 3 溶液恰能滴到计量点,则 x 应是( )(已知 M K =39 , M I =127, M O =16 )
【单选题】The definition of a team includes all of the following EXCEPT ____________.
A.
have complementary skills
B.
are committed to a common purpose
C.
have well-rounded personalities
D.
have a set of performance goals
【单选题】The author's definition suggests that all science fiction deals with____.
A.
the same topics addressed by novels and short stories
B.
the unfamiliar or unusual
C.
Karel Capek's well-known postulate
D.
the conflict between science and fiction
【单选题】The author's definition suggests that all science fiction deals with_________
B.
the same topics addressed by novels and short stories
C.
the unfamiliar or unusual
D.
Karel Capek's well-known postulate
【单选题】有0.5000g纯的KIO x ,将其还原成碘化物后用23.36mL 0.1000mol·L -1 AgNO 3 溶液恰能滴到计量点,则x应是( )