To Simulate the PH of Blood, Which Is 7

question 7

Short Answer

To simulate the pH of blood, which is 7.4, an undergraduate researcher in a biology lab produced a buffer solution by dissolving sodium dihydrogen phosphate (K_a = 6.2  10^-8) and sodium hydrogen phosphate (K_a = 3.6  10^-13) together in an aqueous solution. What mole ratio of Na₂HPO₄/NaH₂PO₄ did she need to use?

---

Definitions:

Provision of Services

The act of supplying or making available services to people or organizations, often referring to those offered by governments to meet public needs.

Across States

Refers to activities, regulations, or issues that span multiple states within a country, often requiring coordination among them.

Bureaucratic Accountability

The principle that bureaucrats and administrative agencies must be answerable for their actions and decisions to higher authorities, the law, and ultimately the public.

Congressional Action

Congressional action refers to the legislative activities undertaken by the United States Congress, including drafting, debating, and passing laws, as well as oversight of the executive branch.