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A phosphate buffer contains 0.075M K2HPO4 and 0.125M KH2PO4. pKa values for H3PO4 are 2, 6.8, and...

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Chemistry

A phosphate buffer contains 0.075M K2HPO4and 0.125M KH2PO4. pKa values forH3PO4 are 2, 6.8, and 12.2. Calculate theconcentrations of:

1.) H2PO4- concentration

2.) H+ concentration

Answer & Explanation Solved by verified expert
3.7 Ratings (441 Votes)
H3PO4 H H2PO4 pKa1 2 H2PO4 H HPO42 pKa 68 HPO42 H PO43 pKa 122 1 HPO42 0075 M and H2PO4    See Answer
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