Chemistry
Senior High
Resolved
この化学反応式が分かりません💦
なんで右上が + と2ー なのに右辺は-じゃないんでしょうか?2Kがk2になるのも分かりません。
2-
2k + + Cr₂ On² + K2Cr2O7
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ありがとうございます!