Calcium Hydroxide Is Slightly Soluble in Water

question 66

Multiple Choice

Calcium hydroxide is slightly soluble in water. About 1 gram will dissolve in 1 liter. What are the spectator ions in the reaction of such a dilute solution of calcium hydroxide with hydrochloric acid?

• A) Ca²⁺ and Cl^-
• B) Ca²⁺ and OH^-
• C) H₃O⁺ and OH^-
• D) H₃O⁺ and Cl^-
• E) Ca²⁺, Cl^- , H₃O⁺, and OH^-

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