Carry out the transformation: a) Li → Li2O → LiOH → Li2SO4 b) P → P2O5 → phosphoric acid → Na3PO4 → calcium phosphate.
| January 30, 2021 | education
a) 4Li + O2 = 2Li2O;
Li2O + H2O = 2LiOH;
2LiOH + H2SO4 = Li2SO4 + 2H2O;
b) 4P + 5O2 = 2P2O5;
P2O5 + 3H2O = 2H3PO4;
H3PO4 + 3NaOH = Na3PO4 + 3H2O;
Na3PO4 + Ca (OH) 2 = Ca3 (PO4) 2 ↓.
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