Page 22 - Chapter 9
P. 22
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3. เมื่อเผาโพแทสเซียมคลอเรต(KClO 3) จะได้โพแทสเซียมคลอไรด์ (KCl)และก๊าซออกซิเจน (O 2)
ดังสมการ 2KClO 3 (s) 2KCl (s) + 3O 2(g) ถ้าใช้โพแทสเซียมคลอเรต 4 โมล
3
มาสลายตัวให้แก๊สออกซิเจน 100 dm ที่ STP ให้หาผลได้ร้อยละ
กระบวนการคิดวิเคราะห์โจทย์และค านวณ
ขั้นที่ 1 ท าความเข้าใจปัญหา
1.1 สิ่งที่โจทย์ก าหนดให้
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1.2 สิ่งที่โจทย์ต้องการทราบ
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ขั้นที่ 2 วางแผนแก้ปัญหา
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ขั้นที่ 3 ด าเนินการตามแผน
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