L
lienhoastar


cho 180 g dd H2SO4 tac dung voi 320g dd BaCl2 10%
a,viet phuong trinh phan ung
b,tinh C% cua H2SO4
c,tinh khoi luong chat ket tua
a,viet phuong trinh phan ung
b,tinh C% cua H2SO4
c,tinh khoi luong chat ket tua
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