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The pKa of bicarbonate ion (HCO3)is 10.25. What is the pH of a buffer that contains equal concentrations of NaHCO3 and Na2CO3 ? 5.13 11.25

The pKa of bicarbonate ion (HCO3)is 10.25. What is the pH of a buffer that contains equal concentrations of NaHCO3 and Na2CO3 ? 5.13 11.25 10.25 9.25

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