What Is the New Mass/volume (M/v)% of a KOH Solution

question 78

Multiple Choice

What is the new mass/volume (m/v) % of a KOH solution that is prepared by diluting 110 mL of a 6% (m/v) KOH solution to 330 mL?

• A)2%
• B)1%
• C)6%
• D)12%
• E)18%

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Definitions:

Equilibrium

A state in a chemical reaction where the rates of the forward reaction and reverse reaction are equal, leading to no net change in the concentration of reactants and products.

Concentration

A measure of the amount of a substance in a given volume of solution, often expressed in molarity (moles per liter).

Blood Plasma

The liquid component of blood that holds the blood cells in suspension; it is the blood's supernatant fluid, consisting mainly of water and dissolved proteins, glucose, clotting factors, mineral ions, hormones, and carbon dioxide.

Protein

Complex organic molecules made up of amino acids, essential for the structure, function, and regulation of the body's cells, tissues, and organs.