What is Ca2C2H3O4? Important knowledge about Ca2C2H3O4.

1. Definition of Ca₂C₂H₃O₄

Ca₂C₂H₃O₄, also known as calcium oxalate, is a chemical compound consisting of 2 calcium atoms, 2 carbon atoms, 4 hydrogen atoms, and 4 oxygen atoms. In English, it is called Calcium Oxalate. Ca₂C₂H₃O₄ has a molar mass of 128.097 g/mol. Its molecule comprises 2 calcium ions (Ca₂+) and 2 oxalate ions (C₂H₃O₄-).

2. Properties of Ca₂C₂H₃O₄

2.1 Physical properties: Calcium oxalate usually presents as white crystals or powder, colorless, odorless. It has a neutral pH and is not easily combustible.

2.2 Chemical properties: Calcium oxalate is insoluble in water and ethanol. It dissolves in strong acids to produce oxalic acid and calcium.

3. Common chemical equation: Ca₂C₂H₃O₄ does not readily react with metals, acids, or salts. However, it can react with strong sulfuric acid to produce calcium sulfate, water, and carbon dioxide gas.
4. Preparation of Ca₂C₂H₃O₄

4.1 Laboratory preparation: Calcium oxalate can be prepared through the reaction between calcium chloride and oxalic acid.

4.2 Industrial preparation: In industry, calcium oxalate is typically produced from the reaction of calcium hydroxide with oxalic acid.