Chemistry, 25.11.2021 08:20 hiiamsuperverylong

Cho 100ml dd KOH vào 100,ml dd h2so4 0.5M dung dịch vẫn dư axit . Thêm, 100,ml dung dịch NAOH 0.2M vào thì dung dịchtrung hoà. Nôngf độ ,mol /l của dd koh là

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Cho 100ml dd KOH vào 100,ml dd h2so4 0.5M dung dịch vẫn dư axit . Thêm, 100,ml dung dịch NAOH 0.2M v...

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