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Caesium hydroxide is a strong base (pK a = 15.76) containing the highly reactive alkali metal caesium, much like the other alkali metal hydroxides such as sodium hydroxide and potassium hydroxide. It is the strongest of the five alkali metal hydroxides. [ 7 ]
Substance Formula 0 °C 10 °C 20 °C 30 °C 40 °C 50 °C 60 °C 70 °C 80 °C 90 °C 100 °C Barium acetate: Ba(C 2 H 3 O 2) 2: 58.8: 62: 72: 75: 78.5: 77: 75
Caesium hydroxide is a very strong base, and will rapidly corrode glass. [18] The isotopes 134 and 137 are present in the biosphere in small amounts from human ...
Calcium hydroxide is modestly soluble in water, as seen for many dihydroxides. Its solubility increases from 0.66 g/L at 100 °C to 1.89 g/L at 0 °C. [8] Its solubility product K sp of 5.02 × 10 −6 at 25 °C, [1] its dissociation in water is large enough that its solutions are basic according to the following dissolution reaction:
The pH of a basic solution at standard conditions is greater than seven. Bases are bitter. [5] ... Cesium hydroxide: CsOH Magnesium hydroxide: Mg(OH) 2: Calcium ...
A vigorous reaction occurs, producing hydrogen gas and the specific alkali hydroxide. For example, if sodium is the alkali metal: 2 Na + 2 H 2 O → 2 NaOH + H 2. Sodium hydroxide is an important industrial chemical, where it is produced by the chloralkali process.
Caesium carbonate can be prepared by thermal decomposition of caesium oxalate. [3] Upon heating, caesium oxalate is converted to caesium carbonate with emission of carbon monoxide. Cs 2 C 2 O 4 → Cs 2 CO 3 + CO. It can also be synthesized by reacting caesium hydroxide with carbon dioxide. [3] 2 CsOH + CO 2 → Cs 2 CO 3 + H 2 O
Calcined gypsum is an alternative material in industrial plasters and mortars. Cement, cement kiln dust, fly ash, and lime kiln dust are potential substitutes for some construction uses of lime. Magnesium hydroxide is a substitute for lime in pH control, and magnesium oxide is a substitute for dolomitic lime as a flux in steelmaking. [28]