最終更新日：2025/11/21
To prepare the nitration reagent, the chemist carefully reacted nitrogen pentoxide with sulfuric acid while keeping the mixture cold.
正解を見る
To prepare the nitration reagent, the chemist carefully reacted nitrogen pentoxide with sulfuric acid while keeping the mixture cold.
音声機能が動作しない場合はこちらをご確認ください
編集履歴（0）
