Chất khử nào có thể làm mất màu dung dịch KMnO4 trong môi trường trung tính?

After this add 5ml of 1.0M sulphuric acid into it. Before titrating the solution, heat it with the help of potassium permanganate solution in the temperature ... + H2SO4. 13. Ag2SO4. +. BaCl2. 14. CH4. +. O2. 15. C3H8. +. O2. 16. NH3. +. O2. 17. KMnO4. + H2C2O2. CO2. + H2O. CO2. + H2O. HNO3. CO2. + H2O. CO2. + H2O. Al2( ... ausgenommen H4CO4 und H2C2O2 – leiten sich ebenfalls von der Ameisensäure ab, und ... H2SO4. (NH4)2SO4 + H2PbCl6 (. 2 HCl + PbCl4). Das in konz. H2SO4 unlösliche ... Illustration 14: 0.5 g mixture of K2Cr2O7 and KMnO4 was treated with excess of KI in acidic medium. ... Fuming H2SO4 contains H2SO4 and SO3. Both react with NaOH. Jan 5, 2023 ... A. 2,24 lít. B. 3,36 lít. C. 4,48 lít. D. 6,72 lít. Trả lời ... H2C2O2(aq) x) hydrofluoric acid. HF(aq) y) boric acid. H3BO3(aq) z ... sulfuric acid. H2SO4(aq). 21. iron(III) chloride. FeCl3. 22. chromium(III) ... Given the equation 2 KMnO4(aq)+5 H2C2O2(aq)+3 H2SO4(aq)→K2SO4(aq)+2 MnSO4(aq)+10 CO2(g)+8 H2O(1), how many moles of MnSO4 form when 2.0 mol KMnO4, 4.5 mol ... ... превращений и укажите условия их проведения: 1. 2. 3. 4. 5. 6. Cl. 2. HCl. H2SO4 (20%). H2C2O2, H2SO4 p-p. Х. 2. Х. 1. KClO. 3. CaOCl. 2. KOH р-р. Х. 4. Х. 3. 1. In a sulfuric acid solution potassium permanganate will titrate with oxalic acid to produce manganese II sulfate, carbon dioxide, water, and potassium sulfate ... Tiến hành thí nghiệm theo các bước sau: Bước 1: Cân chinh xác lượng oxalic acid ngậm nước (H2C2O4.2H2O, M =126,07) để pha chế được 100ml dung dịch H2C2O4 có ...