Calculate the Ratio of the Molarities of HPO₄^2- and H₂PO₄^-

question 2

Multiple Choice

Calculate the ratio of the molarities of HPO₄^2- and H₂PO₄^- ions required to achieve buffering at pH = 7.00.For H₃PO₄,pK_a1 = 2.12,pK_a2 = 7.21,and pK_a3 = 12.68.

• A)0.81
• B)1.23
• C)0.62
• D)0.21
• E)1.62

---

Definitions:

Resource Mobilization Theory

A theory in social movements indicating that the success of social movements depends on resources such as money, labor, and the social organization of these resources.

Solidarity Theory

A sociological concept that emphasizes unity or agreement of feeling or action, especially among individuals with a common interest; mutual support within a group.

Frame Alignment Theory

A sociological theory that explains how social movement organizations align their activities and goals with the interests and beliefs of potential new members to facilitate mobilization.

Relative Deprivation Theory

A sociological theory that explains feelings of discontent or injustice as derived from comparing one's situation against that of others perceived to be better off.