What Is the PH of a Solution That Consists of 0.50

question 49

Multiple Choice

What is the pH of a solution that consists of 0.50 M H₂C₆H₆O₆ (ascorbic acid) and 0.75 M NaHC₆H₆O₆ (sodium ascorbate) ? For ascorbic acid, K_a = 6.8 × 10⁻⁵

• A)3.76
• B)3.99
• C)4.34
• D)4.57
• E)5.66

---

Definitions:

Trophic Category

A classification describing the position of organisms within a food chain, based on their feeding relationships and energy transfer.

Detritivore

An organism that feeds on dead organic matter, largely contributing to decomposition and nutrient recycling in ecosystems.

Earthworm

Earthworms are tube-shaped, segmented worms found in soil that play a crucial role in aerating soil and breaking down dead organic matter.

Decomposer

An organism, usually a bacterium or fungus, that breaks down dead cells and materials, recycling nutrients back into the ecosystem.