Calculate the NaOH Concentration Necessary to Precipitate Ca(OH)₂ from a Solution

question 45

Multiple Choice

Calculate the NaOH concentration necessary to precipitate Ca(OH) ₂ from a solution in which [Ca²⁺] = 1.0. K_sp of Ca(OH) ₂ = 8 x 10^-6.

• A) 6.7 x 10^-8 M
• B) 2.8 x 10^-3 M
• C) 1.5 x 10^-7 M
• D) 0.10 M

---

Definitions:

College of Cardinals

A body of senior ecclesiastical leaders in the Catholic Church, responsible for electing the Pope when the papal see is vacant.

Elected Pope

The process by which a new pope is chosen, typically through a papal conclave where cardinals vote in secrecy until a candidate receives a majority of votes.

Maniera Greca

Italian, “Greek manner.” The Italo-Byzantine painting style of the 13th century.

Madonna Enthroned

A type of Christian art depicting the Virgin Mary seated on a throne as Queen of Heaven, often with the Christ Child.