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  1. #1

    Aug 2011
    Jordan - Zerqa
    902

    ( ):-


    :-


    :- ҡ


    :- 1 = 2
    { = }
    1 1 = 2 2


    :-


    :-


    :- ( " "> )
    ( "" > )



    :-
    pH
    { 180 }



    :-
    ( )



    pH :-

    -> -> ()->

    __ -[oH]___>
    <__ +[H3O]__




  2. #2

    Jul 2012
    5,302

    :


  3. #3
      Eiman
    Jul 2011
    -
    14,750

    :

    ....
    .......

  4. #4

    Mar 2015
    98


: 1 (0 1 )

, ,