A 164-G Sample of HF Is Dissolved in Water to Give

question 106

Multiple Choice

A 16.4-g sample of HF is dissolved in water to give 2.0 $\times$ 10² mL of solution.The concentration of the solution is:

• A)0.82 M
• B)0.16 M
• C)0.08 M
• D)4.1 M
• E)8.2 M

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Definitions:

Hydrogen

Hydrogen is a chemical element with the symbol H and atomic number 1, known as the lightest element in the periodic table and a primary component of water.

Water

A transparent, tasteless, odorless, and nearly colorless chemical substance that is the main constituent of Earth's streams, lakes, and oceans.

Potassium

A soft, silvery-white metallic element, very reactive, especially in water, and essential for plant and animal life.

KCl

KCl, known as potassium chloride, is a metal halide salt composed of potassium and chlorine, used in medicine, food processing, and as a fertilizer.