ai lam ho em bai nay voi!
1.Cho 14,6g hon hop Fe,Al,Mg vao 400 ml dd chua dong thoi H2SO4 2M va HCl 1M.Cho biet sau PU axit hay hon hop du?
2.Cho 200 ml dd A chua HCl 1M,HNO3 2M vao 300 ml dd B chua NaOH 0,8M KOH xM duoc dd C.De trung hoa 100 ml C can 60 ml H2So4 0,5M.
a) xac dinh x?
b)Tinh khoi luong chat ran thu duoc khi co can toan bo C?
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