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A 0.100 M solution of the weak acid HA was titrated with 0.100 M NaOH. The pH measured when Vb = ½Ve was 4.62. Using activity coefficients, calculate pKa. The size of the A− ani…

A 0.100 M solution of the weak acid HA was titrated with 0.100 M NaOH. The pH measured when Vb = ½Ve was 4.62. Using activity coefficients, calculate pKa. The size of the A− ani…
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A 0.100 M solution of the weak acid HA was titrated with 0.100 M NaOH. The pH measured when Vb = ½Ve was 4.62. Using activity coefficients, calculate pKa. The size of the A− anion is 450 pm.

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User Olexander Yushko
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Answer:

pKa = 4.62 = 2.4
x 10^-5

Step-by-step explanation:

A 0.100 M solution of the weak acid HA was titrated with 0.100 M NaOH. The pH measured-example-1
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User Wing Poon
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