medium · MCAT chem-phys
A biochemist is studying a buffer system where the weak acid H₂A has a pK_a of 6.8.
If the ratio of conjugate base to weak acid [A⁻]/[HA] is 10:1, what is the pH of the solution?
- 8.8
- 6.8
- 5.8
- 7.8
Sign up free to see the explanation and track your rank →
More MCAT chem-phys practice
- Which term describes the final state where no net heat flow occurs?
- What term describes the molecule with internal symmetry despite having chiral centers?
- An infrared (IR) spectrum of an unknown organic compound sho… — Which functional group is
- What is the molecular mechanism by which the catalyst achieves this increase?
- Which mechanism is occurring?
- A researcher discovers that a population of bacteria survives exposure to an antibiotic be
- According to the Critical Analysis and Reasoning Skills (CARS) methodology, which test sho
- Which reactant is the limiting reagent?