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бмххууль

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Transcript

  • 1. I I III II Na II I S V I I I P V IIMg O I I Al 2O3 2 1 O 2 2 4 2 5 O O
  • 2. Ямар нэгэн химийнэлемент ба........................................тогтсон нийлмэл бодисыг...................... гэнэ.
  • 3. ЗОРИЛТ: Химийн урвалын илрэлийг ажиглах, тэмдэглэл хөтлөх Бүтээгдэхүүн бодисын молекулын томъёо бичих Бодисын масс хадгалагдах хууль ашиглан урвалын тэгшитгэл бичиж тэнцүүлэх
  • 4. Cu + O2 =CuO ХарCu + O2 =Cu2O Улаан
  • 5. CuO Cu+O2 64+16=80г64+32=96г
  • 6. 2Cu+O2 2CuO 2(64+16)=160г128+32=160г Бодисын Масс Хадгалагдах Хууль
  • 7. 4Na +O2=2Na2O2Mg +O2=2MgO4Al +3O2=2Al2O3S+O2=SO24P +5O2=2P2O5