【单选题】在T(Cl-/AgNO3)=0.5000mg/mL表示( )。
A.
每消耗1mLAgNO3标准滴定溶液相当于被测定组分中含有0.5000mg Cl-
B.
每消耗1mL Cl-标准滴定溶液相当于被测定组分中含有0.5000mg AgNO3
C.
1mLAgNO3标准滴定溶液含有0.5000mg Cl-
D.
1mL Cl-标准滴定溶液含有0.5000mg AgNO3
【简答题】在横线里填上“>”,“<”或“=”. 270÷(18+9)______270÷18+270÷9 20×52-15×52______52×20-15 59×48______300 990毫升______1升 (27+23)×60______27×60+23.
【简答题】(iii) Tyre has entered into two new long lease property agreements for two major retail outlets. Annual rentals are paid under these agreements. Tyre has had to pay a premium to enter into these agree...
【简答题】At the beginning of the year, a lessee company enters into a new lease agreement that is correctly classified as a finance lease, with the following terms: With respect to the effect of the lease on t...
【简答题】执行以下语句后,str2的值是______。String str1="abc";String str2=str1.concat("cde");A.abcde B.abccde C.cdeabc D.edccba
【单选题】执行以下语句后,str2的值是______。 String str1="abc"; String str2=str1.concat("cde");
【单选题】在T(Cl—/AgNO3)=0.5000mg/mL表示 ( )。
A.
每消耗1mL AgNO3标准滴定溶液相当于被测组分中含有0.5000mg Cl-
B.
每消耗1mL Cl-标准滴定溶液相当于被测组分中含有0.5000mg AgNO3
C.
1mLAgNO3标准滴定溶液含有0.5000mg Cl-
D.
1mL Cl-标准滴定溶液含有0.5000mg AgNO3
【单选题】(a new lease of life)After winning her battle with cancer, Misha had a new lease of life. She was going to
A.
a. change the way she made a living
B.
b. worry about her changing life
C.
c. live her life to the full
【简答题】已知在320℃时反应SO 2 Cl 2 (g)→SO 2 (g)+Cl 2 (g)是一级反应,半衰期t 1/2 =4.5×10 4 s。