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HomeHomework HelpchemistryIon Concentration

Ion Concentration

Ion concentration refers to the amount of ions present in a solution, typically expressed in moles per liter (molarity). It plays a crucial role in various physiological processes, including nerve impulse transmission and muscle contraction, by influencing electrical gradients across cell membranes.

intermediate
2 hours
Chemistry
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Overview

Ion concentration is a fundamental concept in chemistry that plays a critical role in various scientific fields, including biology and environmental science. Understanding how to measure and manipulate ion concentration is essential for conducting experiments, analyzing solutions, and applying this ...

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Key Terms

Ion
An atom or molecule with a net electric charge due to the loss or gain of one or more electrons.

Example: Sodium (Na+) is a positively charged ion.

Molarity
A measure of concentration defined as the number of moles of solute per liter of solution.

Example: A 1 M solution of NaCl contains 1 mole of NaCl in 1 liter of water.

Electrolyte
A substance that dissociates into ions in solution and conducts electricity.

Example: Sodium chloride (NaCl) is an electrolyte when dissolved in water.

pH
A scale used to specify the acidity or basicity of an aqueous solution.

Example: A pH of 7 is neutral, while a pH below 7 is acidic.

Osmosis
The movement of water across a semipermeable membrane from an area of low solute concentration to high solute concentration.

Example: Plant roots absorb water through osmosis.

Concentration Gradient
A difference in the concentration of a substance across a space.

Example: Ions move from areas of high concentration to low concentration.

Related Topics

Acid-Base Chemistry
Study of acids, bases, and their reactions, including pH and titration.
intermediate
Chemical Equilibrium
Understanding the balance between reactants and products in chemical reactions.
advanced
Biochemistry
Exploration of chemical processes within and related to living organisms.
advanced

Key Concepts

MolarityElectrolytespH LevelsOsmosis