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What is total residual chlorine?
Total Residual Chlorine (TRC) is the total of free available residual chlorine and combined (bound) residual chlorine. The amount of measurable chlorine remaining after treating water with chlorine i.e. amount of chlorine left in water after the chlorine demand has been satisfied
What is difference between residual magnetism and retentivity?
Residual magnetism and remanence are the same thing. The term residual magnetism is often used in engineering applications. Both terms describe the magnetization, and measure of that magnetism, left behind in a ferromagnetic material after the external magnetic field is removed.
What percentage solution equals a 1 normal solution of sodium hydroxide?
A 1 normal solution of sodium hydroxide is equivalent to a 4% solution. This is because normality is a measure of the number of equivalents (gram equivalent weight) of a substance per liter of solution, while percentage is a measure of the mass of solute per 100 parts of solution.
Is normality and molarity for sodium thiosulfate same?
No, normality and molarity are not the same for sodium thiosulfate. Molarity is a measure of the concentration of a solution based on the number of moles of solute per liter of solution, while normality is a measure of the concentration of a solution based on the equivalent weight of the solute. The normality of sodium thiosulfate will depend on the number of equivalents of the solute present in the solution.
What is the pH value of nitrogen?
Nitrogen gas does not have a pH value because it is not an aqueous solution and does not produce ions in water to measure pH. pH is a measure of the concentration of hydrogen ions in a solution, which is not applicable to nitrogen gas.
Conclusion of preparation of solution of HCl and NaOH to be standardized?
In the preparation of a solution of HCl and NaOH to be standardized, it is crucial to accurately measure the quantities of the reagents and ensure their purity. The solutions should be mixed thoroughly to ensure homogeneity, and the final solution can then be standardized using a primary standard such as potassium hydrogen phthalate (KHP) for acid or sodium carbonate for base. Conducting titrations afterward with the standardized solution will help determine the exact concentrations of the initial solutions.
What is the pH of a solution (APEX)?
A measure of the acidity of the solution
How do you measure permanent hardness by EDIT titration?
To measure permanent hardness by EDTA titration, first add a buffer solution to the water sample to maintain a stable pH. Then, titrate with standardized EDTA solution until the color changes indicating the endpoint. The volume of EDTA required to reach the endpoint can be used to calculate the concentration of the ions causing permanent hardness in the water.
How can one accurately measure residual volume in a container?
To accurately measure residual volume in a container, you can use a graduated cylinder or a measuring cup with clear markings. Fill the container with the substance, making sure it is level with the top. Then, carefully pour the substance into the measuring tool and note the volume. Subtract this volume from the total volume of the container to determine the residual volume.
What does EC measure?
To measure the total nutrients in a solution.
Can residual ozone in water be measured using chlorotex?
Chlorotex is a test designed for residual chlorine in water, not ozone. To measure residual ozone in water, specific analytical methods like ozone analyzers or oxidation-reduction potential (ORP) meters would be more appropriate. These methods are designed to specifically measure the presence of ozone in water.
What are the methods and procedures for conducting sodium hydroxide testing?
To conduct sodium hydroxide testing, first prepare a solution of sodium hydroxide. Then, use a pH meter or indicator paper to measure the pH level of the solution. Additionally, perform a titration with a standardized acid solution to determine the concentration of sodium hydroxide. Finally, record and analyze the results to ensure accuracy in the testing process.
Is bottle a unit of measure?
No, a bottle is not a standardized unit of measure. It typically refers to a container for holding liquids with various capacities depending on the type of bottle.
What does the pH of the solution represent?
The pH is a measure of the acidity/alkalinity of a solution.
What does titration measure?
Titration is a laboratory method used to determine the concentration of a solution by reacting it with a solution of known concentration. It is commonly used to measure the concentration of acids and bases, as well as other substances in solution.
What is a measure of the h concentration in a solution?
The measure of the H+ concentration is the pH.
What does clorine residual mean?
Chlorine residual refers to the amount of chlorine remaining in water after the disinfection process. It is an important measure to ensure that water is safe for consumption by preventing the growth of harmful bacteria and pathogens. Chlorine residual levels are typically monitored to ensure they meet regulatory standards for water quality.
