Write the reaction equations with which you can carry out a chain of transformations of substances: potassium → potassium oxide →
| December 3, 2020 | education
Write the reaction equations with which you can carry out a chain of transformations of substances: potassium → potassium oxide → potassium hydroxide → potassium phosphate → magnesium phosphate
K2O – KOH – K3PO4 – Mg3 (PO4) 2
1) K2O + H2O = 2KOH
2) 3KOH + H2PO4 = K3PO4 + 3H2O
3) 2K3PO4 + 3MgCl2 = Mg3 (PO4) 2 + 6KCl – the reaction proceeds due to the precipitation of Mg3 (PO4) 2
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