Acids and Bases definitions Flashcards
Acids and Bases definitions
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Hydrogen ions Positively charged ions (H+) that play a crucial role in determining the acidity or basicity of a solution. Acids Substances that increase the concentration of hydrogen ions in a solution, affecting biological processes. Bases Substances that decrease the concentration of hydrogen ions in a solution, often forming water. Hydrochloric acid A strong acid that dissociates in water to increase hydrogen ion concentration. Sodium hydroxide A strong base that dissociates in water to decrease hydrogen ion concentration by forming water. Chloride ions Negatively charged ions (Cl-) formed when hydrochloric acid dissociates in water. Hydroxide ions Negatively charged ions (OH-) that react with hydrogen ions to form water, reducing acidity. Concentration The amount of a substance (e.g., hydrogen ions) present in a given volume of solution. Aqueous solution A solution in which water is the solvent, often used to study acids and bases. Biological processes Cellular activities that can be influenced by the concentration of hydrogen ions in solutions.
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