Please Wait – Agno3 + Ch3Cho + Nh3

admin February 20, 2020 Tin Tức Comments Off on Hỗn Hợp Axit Axetic Và Andehit Axetic Tác Dụng Với AgNO3/NH3 2,412 Views

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Hỗn hợp A gồm 10g Axit axetic và andehit axetic . Cho A tác dụng với AgNO3/NH3 thấy có 21.6g Ag kết tủa.Để trung hòa A cần V(ml) dd NaOH 0,2M

a.Viết PT của các PU

b.Tính % khối lượng các chất trong hh A. Tính V

Lời giải:

CH3CHO + 2AGNO3 + NH3 + H2O => CH3COONH4 + 2AG + NH4NO3

CH3COOH + NAOH => CH3COONA + H2O

nAg = 0.2 => nCH3CHO = 0.1 => m = 4.4 => %CH3CHO = 4.4 * 100 / 10 = 44%

%CH3COOH = 56%

=> nCH3CHO = 0.1 => nCH3COOH = (10-4.4)/60 = 7/75 mol

=> V = 7/75 *0.2 = 0.46667l

Tag: agno3 td agno3+nh3+ch3cooh

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