H2S + Ca(OH)2 → CaS + 2 H2O – Balanced equation

Or you want a quick look:

This is an acid-base reaction (neutralization): H2S is an acid, Ca(OH)2 is a base.


[external_link offset=2]
  • H2SHydrogen sulfide
    • Other names: D , Ihydrogen monosulfide|Dihydrogen sulfide|Sewer gas|Sulfane|Sulfurated hydrogen|Sulfureted hydrogen|Sulfuretted hydrogen|Sulfur hydride|Hydrosulfuric acid|Hydrothionic acid|Thiohydroxic acid|Sulfhydric acid}} , Hydrosulfuric acid
    • Appearance: Colorless gas ; Colourless compressed liquefied gas with characteristic odour of rotten eggs ; Colorless gas with a strong odor of rotten eggs. [Note: Sense of smell becomes rapidly fatigued & can NOT be relied upon to warn of the continuous presence of H2S. Shipped as a liquefied compressed gas.]
  • Ca(OH)2Calcium hydroxide
    • Other names: {{ubl , Slaked lime , Calcium hydrate
    • Appearance: White powder ; Colourless crystals or white powder ; White, odorless powder. [Note: Readily absorbs CO2 from the air to form calcium carbonate.]


  • CaSCalcium sulfide
    • Other names: Calcium monosulfide , Hepar calcies , Sulfurated lime , Oldhamite
    • Appearance: White crystals | hygroscopic
  • H2OWater, oxidane
    • Other names: Water (H2O) , Hydrogen hydroxide (HH or HOH) , Hydrogen oxide
    • Appearance: White crystalline solid, almost colorless liquid with a hint of blue, colorless gas
See more articles in the category: Hóa học
READ  Từ Điển Phương Trình Hoá Học

Leave a Reply