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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?

What is this concentration in ppm of phosphate?

2007-01-29 04:15:15 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry

2 answers

Molecular weight of Na3 PO4 = 23*3+31+4*16=164 g

10^-2M = 1.64g/l and for 50ml = 0.05l you need 0.05*1.64 =0.082g

1640 ppm

2007-01-29 05:13:54 · answer #1 · answered by maussy 7 · 0⤊ 0⤋

google it

2007-01-29 12:23:27 · answer #2 · answered by Anonymous · 0⤊ 1⤋