Mathematics
Senior High
Solved
172の( 1)の解き方教えてください🙇♀️
思考
172. 酸化剤と還元剤 次の (ア)~(カ) をうめて,酸化剤と還元剤の電子 e-の授受を表
す反応式を完成させよ。
(1) HNO3+(ア)+¯
→
(イ)+NO2
(2) Cr2O72-+14H++(ウ) → (H) +7H2O
(3)(COOH)2 →(オ)+2H+ +2e-
(4)SO2+2H2O → (カ)+4H++2e-
Answers
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どのように解けばよいのでしょうか、、?