- Definition of Na2O2
1.1 Names
1.1.1 Common name: Sodium peroxide
1.1.2 English name: Sodium peroxide
1.2. Atomic mass: 77.98 g mol−1
1.3. The molecular mass of Na2O2 is 77.98 g/mol.
1.3.1 Molecular structure: Each Na2O2 molecule consists of 2 sodium atoms and 2 oxygen atoms.
1.4 Ion structure: Na2O2 forms 2 Na+ ions and 1 O2−2 ion.
- Properties of Na2O2
2.1 Physical properties of Na2O2
State: Solid at room temperature
Color: White or light yellow
Odor: Odorless
pH level: Na2O2 is a strong alkali, with a pH above 7.
2.2 Chemical properties of Na2O2: It produces sodium oxide and oxygen when reacting with water. It also produces sodium oxide when heated.
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Common chemical equations of Na2O2
Metal reaction [if any]: Na2O2 does not react with metals.
Acid reaction [if any]:
Example: Na2O2 + 2HCl -> 2NaCl + H2O2(hydrogenperoxide)
Non-metal reaction [if any]: Na2O2 does not react with non-metals.
Reaction with salt [if any]: Na2O2 does not react with salts. -
Preparation of Na2O2
4.1 Laboratory preparation of Na2O2: Na2O2 cannot be prepared in the laboratory.
4.2 Industrial preparation of Na2O2: Na2O2 is produced by thermally decomposing sodium with oxygen at temperatures around 130-200°C.