Neutralize solution with 8 M NaOH until liquid becomes cloudy. Add 6 M HCl until cloudiness disappears. The pH should be about 7. Add 15 ml 0.3 M Na3PO4. Allow precipitate to settle. Heat solution until it barely shows signs of boiling. Filter it, leave precipitate in funnel overnight.
Cloudy!
Clear!
Fascinated by precipitate!
Also making sure that a precipitate was created by adding a few extra drops of Na3PO4.
Hot, hot, hot!
We like Cupric Phosphate!
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