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What minimum mass of copper (II) nitrate must be added to 30.0 mL of a 0.0387 M phosphate solution in order to completely precipitate all of the phosphate as solid copper (II) phosphate?
2PO43-(aq) + 3Cu(NO3) 2(aq) Cu3(PO4) 2(s) + 6NO3-(aq)
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