用0.1120 mol/L Na 2 S 2 O 3 标准溶液滴定24.48 mL I 2 溶液,消耗Na 2 S 2 O 3 溶液23.31 mL,计算I 2 溶液的浓度 相关反应:I 2 +2Na 2 S 2 O 3 =2NaI + Na 2 S 4 O 6 计算公式应该是: 公式中的 ɑ 为:
A.
1
B.
2
C.
3
D.
4
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【单选题】Choose the best answer to the questions. (Para. 2) My father had been allowed to keep his old battle jacket, and when, as a child, I asked him to tell me about his adventures during the Second World W...
A.
To show how dangerous his role in D-Day had been.
B.
To demonstrate his loyalty to his old regiment.
C.
To explain that he might have died, and there would have been no family.
【简答题】Answer the questions 1.What lessons did the child learn from that special meeting and how would he react to religion and to what his aunt said from then on? 2.In what sense was the child saved?