[{"data":1,"prerenderedAt":193},["ShallowReactive",2],{"topic-page:\u002Fhigh-school\u002Fbasic-chemistry\u002Famount-of-substance-and-equations\u002Fstoichiometry-with-gases-and-solutions":3},{"topic":4,"category":154,"seo":159,"breadcrumbs":164,"prerequisites":171,"nextTopics":181,"relatedTopics":192},{"id":5,"slug":6,"title":7,"summary":8,"canonicalPath":9,"categoryPath":10,"difficulty":11,"targetAudience":12,"estimatedMinutes":13,"generatedAt":14,"publishedAt":14,"updatedAt":14,"reviewStatus":15,"tags":16,"expectedKnowledge":22,"learningGoal":25,"blocks":26},"high-school-basic-chemistry-amount-of-substance-and-equations-stoichiometry-with-gases-and-solutions","stoichiometry-with-gases-and-solutions","気体・溶液と反応の量的関係","標準状態の気体体積と溶液のモル濃度をmolへ直し、化学反応式の係数比で量的に結びます。","\u002Fhigh-school\u002Fbasic-chemistry\u002Famount-of-substance-and-equations\u002Fstoichiometry-with-gases-and-solutions","\u002Fhigh-school\u002Fbasic-chemistry\u002Famount-of-substance-and-equations","beginner","student_high",6,"2026-07-28","ai_generated",[17,18,19,20,21],"化学基礎","化学量論","気体","モル濃度","標準状態",[23,20,24],"標準状態のモル体積","反応式の係数比","気体の基準条件と溶液体積の単位を確認し、気体・溶液を含む反応の量的関係をmol中心で計算できるようになる。",[27,33,42,70,76,86,107,113,119,135,144],{"id":28,"type":29,"title":30,"subtitle":31,"shortDefinition":32},"hero","HeroBlock","気体も溶液もmolへ集める","条件と単位を確かめて反応式へ","気体体積は標準状態なら約22.4 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Paの気体体積だけに使います。",[65],{"symbol":66,"meaning":67},"V(gas)","標準状態の気体体積（L）","標準状態でなければ、この情報だけでは計算しません。","条件→状態→単位→mol→係数比→求量の順です。途中結果へ物質名を添えると、溶質molと生成気体molを混同しません。",{"id":71,"type":72,"src":73,"alt":74,"caption":75},"diagram","DiagramBlock","\u002Fassets\u002Fhigh-school\u002Fbasic-chemistry\u002Famount-of-substance-and-equations\u002Fstoichiometry-with-gases-and-solutions\u002Fgas-solution-mole-hub.svg","モル濃度と溶液体積、標準状態の気体体積をそれぞれmolへ変換し、係数比で接続する図","溶液はc×V、標準状態の気体はV÷22.4でmolへ集めます。0 ℃・1.013 × 10⁵ PaとL換算を図中の条件札で確認します。",{"id":77,"type":78,"steps":79,"title":85},"steps","StepBlock",[80,81,82,83,84],"状態記号を含む反応式を整え、過剰な物質など反応条件を確認する","溶液体積はmLからLへ直し、n=cVで溶質のmolを求める","反応式の係数比で生成気体または別の溶質のmolへ変換する","気体が標準状態なら約22.4 L\u002Fmolで体積へ直す","温度・圧力・単位と有効数字を答えに添えて検算する","複合問題の5段階",{"id":87,"type":88,"columns":89,"rows":93,"summary":106},"compare","CompareBlock",[90,91,92],"与えられた量","molへの変換","条件",[94,98,102],[95,96,97],"溶液のcとV","n=cV","VはL、対象は溶質",[99,100,101],"標準状態の気体V","n=V÷22.4","0 ℃・1.013 × 10⁵ 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