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

question 100

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:

Hunger Strike

A form of protest in which individuals refuse to eat to draw attention to their demands or to protest against something.

Idle No More

A grassroots movement among Indigenous peoples in Canada, advocating for Indigenous sovereignty, rights, and respect for treaties while opposing governmental policies considered to compromise these principles.

Indigenous Affairs

A sector of government policy concerned with the relationships between governmental entities and Indigenous peoples, including their rights, welfare, and culture.

Sacred Medicines

Substances used in spiritual or religious practices for their healing properties or to facilitate deeper understanding or connection with the sacred.