What Is the PH for a Solution Labeled 0

question 13

Multiple Choice

What is the pH for a solution labeled 0.10 M arsenic acid (H₃AsO₄) ? [Ka1 = 6 × 10^-3, Ka₂ = 1 × 10^-7, Ka₃ = 3 × 10^-12]

• A) 1.6
• B) 4.0
• C) 6.3
• D) 1.0
• E) 3.2

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Definitions:

Quart

A unit of liquid capacity equal to two pints or approximately 0.946 liters.

Dimensional-analysis

A mathematical technique that converts quantities expressed in various units to equivalent quantities in different units using conversion factors.

Yards

A unit of length in the imperial and US customary systems, equal to 3 feet or 0.9144 meters.

Dimensional Analysis

The technique of applying conversion factors to express quantities in different units, often used in physics and engineering contexts.