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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1836068Generated: October 25, 2026

Calcium bicarbonate → Carbon Dioxide

https://huagongshe.com/reaction/1836068

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCalcium bicarbonateHCID 10176262—
SolventWaterHCID 962—
ProductCarbon DioxideHCID 280—
ProductCalcium bicarbonateHCID 10176262—

Reaction Steps

The main cause of hard water is generally dissolved calcium bicarbonate (Ca(HCO3)2). In limestone or chalk regions, calcium hydrogencarbonate is formed by the action of dissolved carbon dioxide on calcium carbonate. In some areas, hardness also results from dissolved calcium sulfate (CaSO4).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06776913B1
Source datasetuspto-grants-2004_08
ORD IDord-0affd9d9d8714983aff84f3661c3c9a7
Source noteuspto-grants-2004_08