The coefficients show the number of particles (atoms or molecules), and the indices show the number of atoms that cosplay the molecule. New substances are formed as a result of the rearrangement of the original atoms. As a result of a chemical reaction, atoms of chemical elements vày not disappear anywhere và new ones bởi vì not appear, their number remains unchanged – this follows from the law of conservation of mass of substances.

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Chemical Reaction Information

This is an acid-base reaction (neutralization): Ca(OH)2 is a base, H2SO4 is an acid.

Portlandite + Sulfuric Acid = Anhydrite + Water

Substances that react are called starting materials or reactants. The substances that form as a result are called reaction products.


Ca(OH)2 – Calcium hydroxide

H2SO4 – Sulfuric acid

Other names: Oil of vitriol.Appearance: Clear, colorless liquid.



Names: Calcium sulfate.Appearance: trắng solid.

H2O – Water, oxidane

Other names: Water (H2O), Hydrogen oxide, Hydrogen hydroxide.Appearance: trắng crystalline solid, almost colorless liquid with a hint of blue, colorless gas.

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H2SO4 + Ca(OH)2 → H2O + CaSO4
H2SO4 + Ca(OH)2 → H2O + Ca(HSO4)2
H2SO4 + Ca(OH)2 → H2O + Ca(SO4)
H2SO4 + Ca(OH)2 → CaSO4 + HOH
H2SO4 + Ca(OH)2 → H2O + (CaOH)2SO4
H2SO4 + Ca(OH)2 → H2O + CaOH2SO4

General Knowledge
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