What Is the PH of a Solution Made by Mixing

question 131

Multiple Choice

What is the pH of a solution made by mixing 30.00 mL of 0.10 M acetic acid with 50.00 mL of 0.100 M KOH? Assume that the volumes of the solutions are additive.K_a = 1.8 × 10^-5 for

• A) 8.26
• B) 9.26
• C) 11.13
• D) 12.40

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Definitions:

Carbon Dioxide

A gas characterized by its lack of color and smell, produced when carbon and organic compounds burn, and during the respiration process, which plants absorb in photosynthesis.

Definite Proportions

A principle stating that a chemical compound always contains its component elements in fixed ratio by mass and does not depend on its source and preparation method.

Relative Masses

A concept referring to how the mass of one particle or object compares to another, often used in chemistry to discuss the atomic mass of elements relative to the carbon-12 standard.

Dalton's Atomic Theory

A fundamental theory proposed by John Dalton in the early 19th century, postulating that elements are composed of indivisible and indestructible atoms which combine in chemical reactions to form compounds.