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Preparation and Standardization of Various Molar and Normal Solutions

Description Preparation and standardization of solutions is a fundamental skill in chemistry and pharmaceutical analysis. This guide explains step-by-step how to prepare and standardize various molar and normal solutions, including commonly used reagents like oxalic acid, sodium hydroxide, hydrochloric acid, sodium thiosulphate, sulphuric acid, potassium permanganate, and ceric ammonium sulphate. It covers the importance of […]

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Method of Expressing Concentration

What is Concentration? Concentration is the measure of the amount of solute (the substance being dissolved) present in a given amount of solvent or solution. Solute → The substance being dissolved (e.g., NaCl, glucose, aspirin). Solvent → The medium in which solute dissolves (e.g., water, ethanol). Solution → A homogeneous mixture of solute and solvent.