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  3. given: ka1= 7.5*10^-3 ka2=6.2*10^-8 ka3=4.2*10^-13

Given: Ka1= 7.5*10^-3 Ka2=6.2*10^-8 Ka3=4.2*10^-13 What is the pH of a solution of 0.550 M K2HPO4, potassium hydrogen phosphate? What is...

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Verified Solution

Question

Chemistry

Given:

Ka1= 7.5*10^-3

Ka2=6.2*10^-8

Ka3=4.2*10^-13

What is the pH of a solution of 0.550 M K2HPO4,potassium hydrogen phosphate?

What is the pH of a solution of 0.400 M KH2PO4,potassium dihydrogen phosphate?

Answer & Explanation Solved by verified expert
3.6 Ratings (290 Votes)
Ka1 75 x 103pKa1 logKa1pKa1 log75 x 103pKa1 2125Similarly pKa2 7208pKa3 12377a 0550 M K2HPO4K2HPO4    See Answer
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