Calculate the Ratio of the Molarities of CO₃^2- and HCO₃^-

question 6

Multiple Choice

Calculate the ratio of the molarities of CO₃^2- and HCO₃^- ions required to achieve buffering at pH = 9.0.For H₂CO₃,pK_a1 = 6.37,and pK_a2 = 10.00.

• A)0.50
• B)3.16
• C)1.65
• D)0.32
• E)0.61

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