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phamdungbacson
2 năm trước
Trộn 100 ml dung dịch X gồm NaOH 0,04 M và KOH 0,06 M với 200 ml dung dịch Y chứa H2 SO4 0,05 M và HCL 0,1 M Thu được dung dịch Z. a,xác định pH của dd Z b,để trung hoà ddZ cần dùng hết bao nhiêu ml ddX chứa NaOH 0.1 M và BaOH2 0.2 M Giúp mk giải ct vs ạ^_^
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