What Is the PH of a Solution Prepared by Dissolving

question 143

Multiple Choice

What is the pH of a solution prepared by dissolving 0.15 gram of solid CaO (lime) in enough water to make 2.00 L of aqueous Ca(OH) ₂ (limewater) ? CaO(s) + H₂O(l) → Ca²⁺(aq) + 2 OH^-(aq)

• A)2.57
• B)2.87
• C)11.13
• D)11.43

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Definitions:

Shear Loading

A condition where a material or structure is subjected to forces that cause sliding failure along a parallel plane to the forces applied.

Taper Pin

A pin that has a gradual decrease in diameter from one end to the other, used to locate or hold parts together.

Straight Pin

A fastener or guide that is long in relation to its diameter, utilized in various mechanical or construction applications.

Hole Alignment

The accuracy with which holes are positioned in relation to each other or to specified datums.