Calculate the PH of a Buffer Solution Prepared by Dissolving

question 64

Multiple Choice

Calculate the pH of a buffer solution prepared by dissolving 0.20 mole of sodium cyanate (NaCNO) and 1.0 mole of cyanic acid (HCNO) in enough water to make 1.0 liter of solution. [K_a(HCNO) = 2.0 × 10^-4]

• A) 0.00
• B) 3.00
• C) 3.70
• D) 4.40
• E) 5.00

---

Definitions:

Egalitarian Gender Roles

Social roles based on the belief in equality between genders, emphasizing shared responsibilities and equal rights.

Ecological Succession

In the theory of human ecology refers to the process by which a distinct urban group moves from one area to another and a second group comes in to replace the group that has moved out.

Middle-Class

A social group positioned between the upper and working classes, typically characterized by moderate income, education level, and job security.

Suburbs

Residential areas located on the outskirts of cities, typically characterized by lower population density than urban areas and a higher ratio of single-family homes.