To simulate the pH of blood, which is 7.40, a buffer solution prepared by dissolving sodium dihydrogen phosphate (K_a= 6.2 *10^-8) and sodium hydrogen phosphate (K_a = 3.6 * 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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The Answer of To simulate the pH of blood, which is 7.40, a buffer solution prepared by dissolving sodium dihydrogen phosphate (K_a= 6.2 *10^-8) and sodium hydrogen phosphate (K_a = 3.6 * 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?

To Simulate the PH of Blood, Which Is 7