Page 24 - Chapter 7
P. 24

21




                     3. จงหาว่า จะเกิด แก๊ส H 2  กี่โมล เมื่อใช้  Mg  12 g  ท าปฏิกิริยากับ HCl  0.1  mol
                        จากปฏิกิริยา    Mg(s)  +   2HCl(aq)      MgCl 2(aq)   +   H 2(g)

                        ก าหนดมวลอะตอม    Mg=24



                   กระบวนการคิดวิเคราะห์โจทย์และค านวณ
                   ขั้นที่ 1 ท าความเข้าใจปัญหา

                          1.1  สิ่งที่โจทย์ก าหนดให้

                          .......................................................................................................................................................
                          .......................................................................................................................................................

                             .......................................................................................................................................................

                          1.2  สิ่งที่โจทย์ต้องการทราบ
                          .......................................................................................................................................................

                   ขั้นที่ 2 วางแผนแก้ปัญหา

                          .......................................................................................................................................................
                          .......................................................................................................................................................

                          .......................................................................................................................................................

                   ขั้นที่ 3 ด าเนินการตามแผน
                          .......................................................................................................................................................

                          .......................................................................................................................................................
                          .......................................................................................................................................................

                          .......................................................................................................................................................

                          .......................................................................................................................................................
                          .......................................................................................................................................................

                          .......................................................................................................................................................

                          .......................................................................................................................................................
                          .......................................................................................................................................................

                          .......................................................................................................................................................

                          .......................................................................................................................................................
                          .......................................................................................................................................................

                          .......................................................................................................................................................
   19   20   21   22   23   24   25   26   27   28   29