Calculate the Concentration of Bicarbonate Ion,HCO₃^-,in a 0

question 145

Multiple Choice

Calculate the concentration of bicarbonate ion,HCO₃^-,in a 0.010 M H₂CO₃ solution that has the stepwise dissociation constants K_a1 = 4.3 × 10^-7 and K_a2 = 5.6 × 10^-11.

• A)6.6 × 10^-5 M
• B)4.3 × 10^-7 M
• C)4.3 × 10^-9 M
• D)5.6 × 10^-11 M

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