Treść zadania

Najlepsze rozwiązanie

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  ewka13 30.12.2010 (15:23)

  a)
  azotan (V) \ wapnia - Ca(NO_{3})_{2}
  1.
  Ca + 2HNO_{3} \to Ca(NO_{3})_{2} + H_{2} \uparrow
  2.
  CaO + 2HNO_{3} \to Ca(NO_{3})_{2} + H_{2}O
  3.
  Ca(OH)_{2} + 2HNO_{3} \to Ca(NO_{3})_{2} + 2H_{2}O
  4.
  CaO+ N_{2}O_{5} \to Ca(NO_{3})_{2}
  5.
  Ca(OH)_{2} + N_{2}O_{5} \to Ca(NO_{3})_{2} + H_{2}O
  6.
  CaCO_{3} + 2HNO_{3} \to Ca(NO_{3})_{2} + H_{2}O + CO_{2} \uparrow
  7.
  Ca + 2AgNO_{3} \to Ca(NO_{3})_{2} + 2Ag \downarrow
  8.
  CaCl_{2} + 2AgNO_{3} \to Ca(NO_{3})_{2} + 2AgCl \downarrow
  b)
  chlorek \ magnezu - MgCl_{2}
  1.
  Mg + Cl_{2} \to MgCl_{2}
  2.
  Mg + 2HCl \to MgCl_{2} + H_{2} \uparrow
  3.
  MgO + 2HCl \to MgCl_{2} + H_{2}O
  4.
  Mg(OH)_{2} + 2HCl \to MgCl_{2} + 2H_{2}O
  5.
  MgCO_{3} + 2HCl \to MgCl_{2} + H_{2}O + CO_{2} \uparrow
  6.
  Mg + CuCl_{2} \to MgCl_{2} + Cu \downarrow
  7.
  MgSO_{4} + BaCl_{2} \to MgCl_{2} + BaSO_{4} \downarrow

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