sodium carbonate
| Anhydrous white solid. The hydrated, crystalline form (Na2CO3.10H2O) is also known as washing soda. |
| It is made by the Solvay process and used as a mild alkali, as it is hydrolysed in water: |
| CO32–(aq) + H2O(l) → HCO3−(aq) + OH−(aq) |
| It is used to neutralize acids, in glass manufacture, and in water softening. |
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