hydrogen sulfide is introduced while a slight excess of concentrated ammonia water is added to precipitate manganese hydroxide. When hydrogen sulfide continues to be introduced, manganese sulfide is separated from the surface of the precipitate from orange to vermilion, so it is advisable to turn the...
sodium hydroxide and copper (II) sulfate 2. iron (III) bromide and potassium sulfide 3. potassium bromide and lead (II) nitrate The solubility of ammonium bromide in water at 20 degrees Celsius is 75.5 g / 100 g of water. Its solubility at 50 degrees Celsius is...