Anhydrous borax (Na2B4O7) * Borax pentahydrate (Na2B4O7·5H2O) * Borax decahydrate (Na2B4O7·10H2O)
Na2B4O7
Sodium tetraborate decahydrate (Na2B4O7 ×10H2O).
Na2B4O7 + 2HCl +5H2O ----------------------------> 4H3PO3 + 2NaCl Na2B4O7 .10H20 + H20 ---------------------- > 4H3BO3 + 2OH- + 2Na + 4H2O
Na2B4O7 (aq) + H2SO4 (aq) + 5 H2O (l) ------ 4 H3BO3 (s) + Na2SO4 (aq)
Anhydrous borax (Na2B4O7) * Borax pentahydrate (Na2B4O7·5H2O) * Borax decahydrate (Na2B4O7·10H2O)
* Anhydrous borax (Na2B4O7) * Borax pentahydrate (Na2B4O7·5H2O) * Borax decahydrate (Na2B4O7·10H2O) Borax is generally described as Na2B4O7·10H2O. However, it is better formulated as Na2[B4O5(OH)4]·8H2O, borax contains the [B4O5(OH)4]2
Na2B4O7
Sodium tetraborate decahydrate (Na2B4O7 ×10H2O).
Formula: Na2B4O7
disodium tetraborate
Na2B4O7 + 2HCl +5H2O ----------------------------> 4H3PO3 + 2NaCl Na2B4O7 .10H20 + H20 ---------------------- > 4H3BO3 + 2OH- + 2Na + 4H2O
Na2B4O7 (aq) + H2SO4 (aq) + 5 H2O (l) ------ 4 H3BO3 (s) + Na2SO4 (aq)
Borax = Sodium tetraborate = Na2B4O7
Yes, borax (Na2B4O7) is a mineral of boron.
+3 oxidation state
When Borax is added to water, it reacts with Ca2+ and Mg2+, which come out of water as precipitates. The reactions involved are: Ca2+ + Na2B4O7 ----> CaB4O7 + 2Na+ Mg2+ + Na2B4O7 -----> MgB4O7 + 2Na+