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In industry, standard solutions are typically prepared by accurately weighing or measuring a known quantity of a substance and dissolving it in a known volume of solvent. Titrations are carried out by slowly adding the standard solution to the solution being analyzed until the reaction reaches its endpoint, which is indicated by a change in color or conductivity. The volume of the standard solution consumed in the titration allows for calculation of the concentration of the analyte in the original solution.
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Explain vibrations, which they can feel. Then explain that sound is vibrations carried through the air.
A standard Na₂S₂O₃ (sodium thiosulfate) solution is typically prepared by dissolving a precise amount of the anhydrous or pentahydrate form of sodium thiosulfate in distilled water to achieve a desired molarity. The solution is then standardized using a primary standard, such as potassium dichromate (K₂Cr₂O₇), through a redox titration process. This involves adding the thiosulfate solution to a known concentration of dichromate until the endpoint is reached, which is often indicated by a color change. Proper storage in a dark container is essential to prevent decomposition of the thiosulfate solution.
Titration with standard hard water is carried out to determine the concentration of calcium and magnesium ions in water samples. By titrating a known volume of hard water with a standardized solution of EDTA, the amount of calcium and magnesium ions present can be quantified based on the volume of EDTA solution needed to reach the endpoint. This helps in assessing the water hardness and determining the appropriate treatment methods for water softening.
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Answer: Solution
solution
Solution.
They are in solution.
B. solution