What is Ca2W2O7? Important knowledge about Ca2W2O7.

Ca₂W₂O₇, also known as Calcium Tungstate or Tungsten Calcium Oxide (English: Calcium Tungstate, Tungsten Calcium Oxide).

1. Definition of Ca₂W₂O₇

1.1 The molecular structure of Ca₂W₂O₇ consists of 2 Calcium atoms (Ca), 2 Tungsten atoms (W), and 7 Oxygen atoms (O).

1.2 The atomic mass of Ca₂W₂O₇ is calculated by the total mass of all the atoms in a molecule, equivalent to 516.0184 atomic mass units (amu).

1.3 In Ca₂W₂O₇, Calcium ion (Ca₂+) and Tungstate ion (W₇+) both contribute to the crystal structure of this substance.

2. Properties of Ca₂W₂O₇

2.1 Physical properties: Ca₂W₂O₇ usually appears as a white powder, with no distinctive odor, insoluble in water and alkali, soluble in acid.

2.2 Chemical properties: Ca₂W₂O₇ is heat resistant, does not react with water, and is chemically inert at normal temperatures.

3. Chemical equation: Currently, we do not have information on the common chemical equations of Ca₂W₂O₇.

4. Synthesis of Ca₂W₂O₇

4.1 Laboratory synthesis: Ca₂W₂O₇ is usually prepared from the reaction between Calcium Carbonate (CaCO₃) and Tungsten trioxide (WO₃) at high temperatures.

4.2 Industrial synthesis: In industry, Ca₂W₂O₇ is usually prepared by melting a mixture of calcium oxide (CaO) and tungsten trioxide (WO₃) at high temperatures.