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The chemical formula of sodium carbonate is Na2CO3, commonly known as soda ash, alkali ash, and washing alkali. At room temperature, it is a white powder or particle and a strong electrolyte. The density is 2.532g/cm3, the melting point is 851 ° C, it is easily soluble in water, has salt like properties, and is a weak acid salt. It is slightly soluble in anhydrous ethanol and insoluble in propanol. After dissolving in water, it undergoes hydrolysis reaction, making the Chemicalbook solution alkaline and corrosive. It can neutralize with acid, generate corresponding salts, and release carbon dioxide. It can decompose at high temperatures, producing sodium oxide and carbon dioxide. Long term exposure to air can absorb moisture and carbon dioxide from the air, generate sodium bicarbonate, and form hard lumps. Highly hygroscopic, easily forms hard lumps, and does not decompose at high temperatures.
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