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18 October 2023
- 20:2120:21, 18 October 2023 diff hist −821 Template:Compound No edit summary current
- 20:1220:12, 18 October 2023 diff hist −650 Category:Library →Library current
- 20:0620:06, 18 October 2023 diff hist −1 Potassium manganate →Synthesis
- 20:0520:05, 18 October 2023 diff hist +587 N Potassium manganate Created page with "{{Compound|chemf=K2MnO4 |mm=197.132|density=2.78|mp=190(decomp)|bp=|sol_aq=decomp |stp_p=|stp_q= |nfpa_h=1|nfpa_r=1|nfpa_o=OX }} ==Uses== ===Other=== * Precursor to potassium permanganate ==Natural occurrence== Does '''not''' occur naturally ==Hazards== ==Character== ==Production== ===Extraction=== ===Synthesis=== #roast a mixture of potassium hydroxide and manganese dioxide in air giving * potassium manganate #: {{#Chem: 2 MnO2 + 4 KOH + O2 = 2..."
- 18:3718:37, 18 October 2023 diff hist +2 Sodium bisulfite →Synthesis current
- 18:3618:36, 18 October 2023 diff hist +619 N Sodium bisulfite Created page with "{{Compound|chemf=NaHSO3 |mm=104.061|density=1.48|mp=150|bp=315|sol_aq=420* |stp_p=solid|stp_q=white }} ==Uses== ===Other=== * Producing nitrites (from nitrates) ==Natural occurrence== ==Hazards== ==Character== ==Production== ===Extraction=== ===Synthesis=== # Bubble sulfur dioxide through a sodium hydroxide solution until no more is absorbed #: {{#Chem: SO2(g) + NaOH (aq) = NaSO3(aq)}} # Evaporate the solution, giving sodium bisulfite. ==Testing== Add any acid e...."
- 18:1818:18, 18 October 2023 diff hist −9 Lead sulfide No edit summary current
- 18:0518:05, 18 October 2023 diff hist +9 Nitrogen No edit summary current
- 17:5717:57, 18 October 2023 diff hist +10 Sodium carbonate No edit summary
- 17:5617:56, 18 October 2023 diff hist +10 Potassium carbonate No edit summary current
- 17:5517:55, 18 October 2023 diff hist −4 Methane No edit summary current
- 17:5217:52, 18 October 2023 diff hist +10 Citric acid No edit summary current
- 17:5117:51, 18 October 2023 diff hist +10 Carbon No edit summary current
- 17:4017:40, 18 October 2023 diff hist +10 Ascorbic acid No edit summary current
- 17:1017:10, 18 October 2023 diff hist +8 Sulfur No edit summary current
- 17:0617:06, 18 October 2023 diff hist −9 Urea No edit summary
- 17:0417:04, 18 October 2023 diff hist −8 Carbon dioxide No edit summary current
- 17:0317:03, 18 October 2023 diff hist +1 Calcium carbonate No edit summary current
- 17:0217:02, 18 October 2023 diff hist +9 Calcium carbonate No edit summary
- 16:5916:59, 18 October 2023 diff hist −21 Calcium Hydroxide No edit summary current Tag: Manual revert