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March 29, 2015

Homework Help: Chemistry

Posted by Khaalid on Monday, September 6, 2010 at 7:31pm.

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?

Second, what is this concentration in ppm of phosphate?

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