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Stock solution of known concentration

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Reference no: EM131522596

Phosphate standards used to generate the calibration curve are usually made by first preparing a stock solution of known concentration, then diluting it to the required concentration.

First prepare a stock solution that is 1.00 x 10-2 M in phosphate ion. How many g of Na3PO4 would you add to a 50 mL volumetric flask to to prepare this solution?

Mass Na3PO4: ______g.

What is this concentration in ppm of phosphate? (That is as PO43-, not Na3PO4).

PO43- concentration: _____ppm.

Reference no: EM131522596

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