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Definition of Na2CrO4
Na2CrO4, also known as Sodium Chromate in English, is a chemical substance with a molecular weight of 262.0 g/mol. Its molecule consists of two sodium atoms (Na), one chromium atom (Cr), and four oxygen atoms (O), creating an ionic structure including Na+ and CrO42- ions. -
Properties of Na2CrO4
2.1 Physical properties:
Na2CrO4 is solid, yellow and odorless. Its pH creates an alkaline environment, as it can generate Na+ and CrO42- ions when dissolved in water.
2.2 Chemical properties:
Na2CrO4 has the potential to react with various other substances, depending on specific conditions. -
Common chemical equations of Na2CrO4:
Na2CrO4 can react with metals, acids, salts, and even non-metals. However, it’s important to note that the specific reaction and products generated can vary depending on conditions and different reacting substances. -
Preparation of Na2CrO4:
4.1 Laboratory preparation:
Na2CrO4 is typically not prepared in a lab due to its complex chemical structure and the processes involved.
4.2 Industrial preparation:
Industrially, Na2CrO4 is usually produced from the oxidation process of chromite, a form of chromium-containing mineral. This process also requires high temperature and pressure.