When Fluorapatite (Ca5(PO4)3F ) is reacted with H2SO4.

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Jake
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When Fluorapatite (Ca5(PO4)3F ) is reacted with H2SO4.

Post by Jake »

When Fluorapatite (Ca5(PO4)3F ) is reacted with H2SO4 one of the products is H4P2O7 what other products should I expect?
The context is the surface of Venus and how the apatite crystals in the basalts react with the sulfuric acid rain. So 9 atms and 900 degrees Celsius and supercritical CO2 might be involved.
Although the regular reaction would give me insight.
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ChenBeier
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Post by ChenBeier »

The other products are CaSO4 and HF ad water.

2 (Ca5(PO4)3F ) + 10H2SO4 => 10 CaSO4 + 3 H4P2O7 + 2 HF + 3 H2O
Jake
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Post by Jake »

Plaster of Paris and Hydrofluoric acid?
Thank you for the answer.
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ChenBeier
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Post by ChenBeier »

Gypsum it is also called.
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