To Simulate the PH of Blood, Which Is 7

question 168

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 disodium 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:

Supervisor

A person who oversees and directs the work of others in a professional setting.

Safety Standards

Regulations and protocols established to ensure the health and safety of employees in the workplace or public in certain environments.

Safety Rules

Guidelines and regulations put in place to prevent accidents and injuries in the workplace or other environments.

Penalties

Consequences or sanctions imposed for violating rules, laws, or regulations.