To Simulate the PH of Blood,which Is 7 $\times$ 10^-8)and Sodium Hydrogen Phosphate (K_a = 3

question 114

Short Answer

To simulate the pH of blood,which is 7.40,a buffer solution prepared by dissolving sodium dihydrogen phosphate (K_a = 6.2 $\times$ 10^-8)and sodium hydrogen phosphate (K_a = 3.6 $\times$ 10^-13)together in an aqueous solution can be used.What mole ratio of Na₂HPO₄/NaH₂PO₄ is required to produce a solution with pH = 7.40?

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