giai chi tiet cac de thi dai hoc 2007 den 2011

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  • 8/2/2019 Giai Chi Tiet Cac de Thi Dai Hoc 2007 Den 2011

    1/126

    September 2011

    Trang 1

    LangQuang.YDS

    KHI A-2007 M 182

    GiiTa c:

    mbnh tng = mX = 6,7 gam

    nX = 0,2 mol

    2Brn phn ng = 0,35

    nX