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SOLUBILITY OF CALCIUM OXALATE AFFECTED BY pH<br />
Calcium Oxalate Precipitate & Hydrochloric Acid<br />
Left: Precipitate of calcium oxalate begins to clear from solution by addition of 6M HCl(aq). Right: Solution is completely cleared of precipitate demonstrating the increase in solubility of CaC2O4(s) as the pH of the solution is lowered.

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SOLUBILITY OF CALCIUM OXALATE AFFECTED BY pH
Calcium Oxalate Precipitate & Hydrochloric Acid
Left: Precipitate of calcium oxalate begins to clear from solution by addition of 6M HCl(aq). Right: Solution is completely cleared of precipitate demonstrating the increase in solubility of CaC2O4(s) as the pH of the solution is lowered.

Copyright:© 1995 Richard Megna - Fundamental Photographs

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Richard Megna