Determine the molarity concentration of phosphate, PO,, in a 0.76 M solution of phosphoric acid, H3PO4. Shown below is a table of select K, values for your convenience. Upload your work in order to receive credit.

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Determine the molarity concentration of phosphate, PO,, in a 0.76 M
solution of phosphoric acid, H3PO4.
Shown below is a table of select K, values for your convenience. Upload
your work in order to receive credit.
Chemical
Formula
K,
K,
Acid Name
Sulfuric acid
H,SO,
strong
1.2x 10
Oxalic acid
(COOH),
5.9x 10
6.5 x 10
Sulfurous acid
H,SO,
12 x 10
1.2 x 107
Phosphorous acid
H,PO,
1.0 x 10
2.6 x 107
Phosphoric acid
H,PO,
7.5x 10
6.2 x 10
4.2x 109
Selenous acid
H, Seo,
3.5 x 10
5.0 x 10
Tellurous acid
H,TeO,
3.0 x 10
2.0 x 10
Citric acid
H,C,H,O,
71x 10
1.7 x 10
6.4 x 10*
Tartaric acid
C,H,0,(COOH), 6.0 x 101
1.5 x 10
Ascorbic acid
H,C,H,O,
79x 10
1.6 x 1012
Carbonic acid
H,CO,
4.2 x 107
5.6 x 10"
Hydrosulfuric acid
H,S
1.3x 107
7.1 x 101
Transcribed Image Text:Determine the molarity concentration of phosphate, PO,, in a 0.76 M solution of phosphoric acid, H3PO4. Shown below is a table of select K, values for your convenience. Upload your work in order to receive credit. Chemical Formula K, K, Acid Name Sulfuric acid H,SO, strong 1.2x 10 Oxalic acid (COOH), 5.9x 10 6.5 x 10 Sulfurous acid H,SO, 12 x 10 1.2 x 107 Phosphorous acid H,PO, 1.0 x 10 2.6 x 107 Phosphoric acid H,PO, 7.5x 10 6.2 x 10 4.2x 109 Selenous acid H, Seo, 3.5 x 10 5.0 x 10 Tellurous acid H,TeO, 3.0 x 10 2.0 x 10 Citric acid H,C,H,O, 71x 10 1.7 x 10 6.4 x 10* Tartaric acid C,H,0,(COOH), 6.0 x 101 1.5 x 10 Ascorbic acid H,C,H,O, 79x 10 1.6 x 1012 Carbonic acid H,CO, 4.2 x 107 5.6 x 10" Hydrosulfuric acid H,S 1.3x 107 7.1 x 101
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