問題…https://kyojin.shop/wp-content/uploads/2024/07/湖風祭コンテスト化学-2-1.pdf 回答フォーム…https://docs.google.com/forms/d/e/1FAIpQLSc_zFD0_g9BovV7LV870wdc813IAvrdmGdjTMvlMc2AgNjixw/viewform?usp=sf_link 解答…https://kyojin.shop/wp-content/uploads/2024/07/湖風祭コンテスト化学解答-4.pdf