Dd X chứa KOH 0,2M và Ba(OH)2 0,1M, dd Y chứa H2SO4 0,25M và HCl 0,75M
a, Tính V dd X để trung hòa vừa đủ với 40ml dd Y và tính m\(\downarrow\)
b, Dùng Vml dd Y để hòa tan hoàn toàn m(g) CuOr tạo dd Z. Cho 12(g) Mg vào dd Z thu được 12,8(g) chất rắn. Tính m
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)
Tham khảo