Calculate the PH of the Solution Resulting from the Addition

question 46

Multiple Choice

Calculate the pH of the solution resulting from the addition of 75.0 mL of 0.15 M KOH to 35.0 mL of 0.20 M HCN (K_a (HCN) = 4.9 × 10^-10) .

• A)9.31
• B)9.18
• C)9.52
• D)11.63
• E)12.59

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Definitions:

Prudence Crandall

An American educator who became a figure of controversy and perseverance for establishing a school for African American girls in the 1830s.

Harassment

Behavior aimed at another person that is unwanted, offensive, or threatening, often creating a hostile environment.

Stock Minstrel Character

A stereotypical and often derogatory caricature, historically used in minstrel shows, which misrepresented African American culture.

Jim Crow

Laws or policies enforcing racial segregation and discrimination against African Americans, primarily in the Southern United States, from the late 19th to the mid-20th century.