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Hg (m a =201 a.e.m.)

Hg (m a =201 a.e.m.). Sn (m a =119 a.e.m.). Eu (m a =152 a.e.m.). B (m a =11 a.e.m.). N (m a =14 a.e.m.). Mg (m a =24 a.e.m.). K (m a =39 a.e.m.). Eu (m a =152 a.e.m.). Zn (m a =65 a.e.m.). Na (m a =23 a.e.m.). In (m a =115 a.e.m.). Al (m a =27 a.e.m.). Y (m a =89 a.e.m.).

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Hg (m a =201 a.e.m.)

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  1. Hg (ma=201 a.e.m.) Sn (ma=119 a.e.m.) Eu (ma=152 a.e.m.) B (ma=11 a.e.m.) N (ma=14 a.e.m.) Mg (ma=24 a.e.m.) K (ma=39 a.e.m.) Eu (ma=152 a.e.m.) Zn (ma=65 a.e.m.) Na (ma=23 a.e.m.) In (ma=115 a.e.m.) Al (ma=27 a.e.m.) Y (ma=89 a.e.m.)

  2. РЕАКЦИИ ИОННОГО ОБМЕНА

  3. 2H2O=2H2+O2-Q 2Mg+O2=2MgO+Q CuO+H2=Cu+H2O NaOH+HCl=NaCl+H2O+57,5кДж.

  4. Необратимые реакции ионного обмена: 1. Выпадение осадка. 2. Выделение газа. 3. Образование малодиссоциирующих веществ.

  5. Задача Сколько граммов соды потребуется для нейтрализации муравьиной кислоты в количестве 2 молей?

  6. HCOOH+NaHCO3= NaCOOH+H2O+CO2 2моль Х г 1моль 1моль 84г/моль 46г/моль 84г 46г

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