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

---

Definitions:

Utmost Good Faith

A legal doctrine requiring parties to act with honesty and not mislead or withhold information from each other.

Co-insurance Clause

A provision in insurance policies that divides the risk of loss between the insurer and the insured, based on a fixed percentage of the value of the insured item.

Insured

A person or entity covered under an insurance policy, receiving financial protection or reimbursement against losses.

Insurance Fraud

The act of deceiving an insurance provider with the aim to receive compensation or benefits unjustly.