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Structural Formulas & Equilibrium:
$$\text{True Borax Formula: } \text{Na}_2[\text{B}_4\text{O}_5(\text{OH})_4] \cdot 8\text{H}_2\text{O}$$
$$ \qquad \text{B(OH)}_3 + 2\text{H}_2\text{O} \rightleftharpoons [\text{B(OH)}_4]^- + \text{H}_3\text{O}^+$$
Concept: Borax possesses a unique cyclic anionic core containing specific internal linkages, while orthoboric acid functions exclusively as a monobasic Lewis acid rather than a protonic Arrhenius acid.
Notation: Borax structural parameters include two $$sp^2$$ hybridized boron atoms, two $$sp^3$$ hybridized boron atoms, and exactly five $$\text{B-O-B}$$ bridges; Boric acid traits involve a planar polymeric layer network stabilized by asymmetric intermolecular hydrogen bonds.
