Ca2jóna
Ca2jóna is a chemical compound with the formula Ca2(C2O4). It is a calcium oxalate, a salt of calcium and oxalic acid. Ca2jóna is typically found in nature as the mineral whewellite, which is a calcium oxalate dihydrate (CaC2O4·2H2O). This compound is known for its role in the formation of kidney stones, as calcium oxalate is one of the most common components of these stones.
The compound can be synthesized in the laboratory by reacting calcium carbonate with oxalic acid. It is
Ca2jóna is relatively stable under normal conditions but can decompose upon heating, releasing carbon dioxide and