The pH of a saturated solution of calcium sulfate is 7.7.
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No, calcium sulfate and calcium sulphate are the same chemical compound, commonly known as gypsum. Calcium sulfate dihydrate specifically refers to the hydrated form of calcium sulfate, where each molecule contains two molecules of water (CaSO4 ∙ 2H2O).
it is a compound
Yes, calcium sulphate and agricultural gypsum are the same compound. Gypsum is the common name for calcium sulphate in its hydrated form, commonly used in agriculture to improve soil structure and provide essential calcium and sulfur nutrients to plants.
No, because the calcium sulfate formed is insoluble in water.
To make calcium sulfate using calcium carbonate, you can react calcium carbonate with sulfuric acid. The chemical equation for this reaction is: CaCO3 + H2SO4 → CaSO4 + H2O + CO2. By mixing these two compounds, calcium sulfate can be produced along with water and carbon dioxide as byproducts.