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There are several tests for sulfate ion to identify from other anions in qualitative analysis. Some of metal sulfate compounds are soluble in water and some metal sulfates form precipitates. Sulfate compounds of several d block metal cations form colours.
29 Αυγ 2023 · Sulfate ion is a very weak base, while \(\ce{HSO4^{-}}\) is a fairly strong acid, with \(K_a = 0.01\). On the other hand, \(\ce{H2SO4}\) is a very strong acid. Because it is such a weak base, sulfate ion undergoes negligible hydrolysis in aqueous solution.
8 Σεπ 2023 · After calcium chloride replaced calcium sulfate, the compressive strength was improved. At a Ca 2+ (CaCl2)-Ca 2+ (CaSO4) ratio of 1:1, the strength was increased by 44% and 18% at 3 days and 28 days, respectively, compared with the addition of calcium sulfate alone.
14 Οκτ 2021 · Sulfate Ion | O4S-2 | CID 1117 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more.
27 Απρ 2013 · Sulfate ion has two valid structures that you could draw, one with sulfur having a formal charge of zero and one with sulfur having a formal charge of +2. The structures below (from the Wikipedia page , released into the public domain) follow the annoying but allowable convention of replacing lone pairs with bars.
11 Μαρ 2022 · For every one Lead(IV) ion, you need two sulfate ions to be charge neutral. 1(+4) + 2(-2)=0. You may use the criss-cross rule, but you must make sure that you reduce to the simplest whole number ratio.
1 ημέρα πριν · Sulfate ion (SO42-) is one of the most common ions that people in chemistry need to deal with. This is a polyatomic anion having a negative charge of -2. We find sulfates in a wide range of compounds, some of the well-known being MgSO4, CaSO4, Na2SO4, and PbSO4.