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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.
28 Απρ 2016 · MgSO4 combined with chloride ions could accelerate the damage process of passive film, whereas Mg (OH)2 and gypsum particles could be produced and deposited on the steel-bar surface to block...
Which solution could be used to precipitate the barium ion, Ba 2+, in a water sample: sodium chloride, sodium hydroxide, or sodium sulfate? What is the formula for the expected precipitate? Answer. sodium sulfate, BaSO 4
Rust is formed from a complex oxidation–reduction reaction involving dilute acid solutions that contain Cl − ions (effectively, dilute HCl), iron metal, and oxygen. When an object rusts, iron metal reacts with HCl(aq) to produce iron(II) chloride and hydrogen gas:
29 Αυγ 2023 · Sulfate ion is a very weak base, while HSO−4 HSO 4 − is a fairly strong acid, with Ka = 0.01 K a = 0.01. On the other hand, H2SO4 H 2 SO 4 is a very strong acid. Because it is such a weak base, sulfate ion undergoes negligible hydrolysis in aqueous solution.
21 Μαρ 2024 · In solutions containing SO 42− and HCO 3− in anaerobic environment, a high proportion of HCO 3− /SO 42− leads to the passivation of Q345 carbon steel sample as a result of the competitive adsorption of HCO 3− on substrate surface with smaller radius.
Chemguide: Core Chemistry 14 - 16. The reactivity series and displacement reactions. This page discusses reactions between a metal and a solution of a salt of another metal lower in the reactivity series. It assumes that you have read the previous page in this series about oxidation and reduction. What is a salt?
