Write the reaction equation: P- P2O3- P2O5- H3PO4- K3PO4- K2CO3- H2CO3- CO2
| June 20, 2021 | education
1.4P + 3O2 = 2P2O3.
Combustion of white phosphorus, 40-50 ° C.
2. P2O3 + O2 = P2O5.
Oxidation of phosphorus (III) oxide to phosphorus (V).
3. P2O5 + 3H2O = 2H3PO4.
Formation of phosphoric acid.
4. H3PO4 + 3KOH = K3PO4 + 3H2O.
Acid neutralization reaction with alkali.
5.2K3PO4 + 3Na2CO3 = 3K2CO3 + 2Na3PO4.
The reaction of the exchange of potassium and sodium salts.
6. K2CO3 + 2HCl = H2CO3 + 2KCl.
Reaction of carbonate with hydrochloric acid.
7.H2CO3 = H2O + CO2.
The decomposition of carbonic acid.
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