0
Is it necessary to rinse the conical flask with some standard solution of oxalic acid before use?
I believe it is necessary to rinse the conical flask with oxalic acid before use, unless you are sure that the conical flask is really clean and dry before use. However to prevent having any types of unwanted chemical reaction when you pour the oxalic acid in the flask, it is best to rinse it with oxalic acid before use, so that there will not be errors like e.g. there is no pinkish color formed in the solution when you add the color indicator in the oxalic acid when doing titration.
What else can I help you with?
Why before doing titration conical flask is not rinsed?
The conical flask is not rinsed before performing titration because doing so could dilute the solution and alter the concentration, affecting the accuracy of the titration. It is important to maintain the concentration of the solution as accurately as possible for precise results.
How to prepare a standard solution of potassium iodate?
To prepare a standard solution of potassium iodate, you would need to weigh out a known quantity of potassium iodate, dissolve it in a known volume of water, and make up the solution to a specific volume using a volumetric flask. This process allows you to accurately determine the concentration of the solution.
Why is it necessary to standardize the NaOH solution before titration?
Standardizing the NaOH solution before titration is important to accurately determine its actual concentration. This ensures the accuracy and reliability of the titration results by eliminating any discrepancies that may arise from variations in the concentration of the NaOH solution.
How do you prepare a standard conductivity solution?
To prepare a standard conductivity solution, you will need to start with a highly pure substance, such as potassium chloride (KCl). Dissolve a precise amount of KCl in distilled water to achieve a specific concentration, typically 1.41 grams of KCl per 100 milliliters of water for a standard solution. Use a calibrated conductivity meter to verify the solution's conductivity and adjust if necessary.
What is the conclusion of preparing a standard solution?
The conclusion of preparing a standard solution is to have a known concentration of a specific solute that can be used for calibration or comparison in chemical analysis. This helps ensure accurate and reliable results in experiments and measurements.
Is it necessary to dry clean the conical flask before use?
yes
Why before doing titration conical flask is not rinsed?
The conical flask is not rinsed before performing titration because doing so could dilute the solution and alter the concentration, affecting the accuracy of the titration. It is important to maintain the concentration of the solution as accurately as possible for precise results.
How to prepare a standard solution of potassium iodate?
To prepare a standard solution of potassium iodate, you would need to weigh out a known quantity of potassium iodate, dissolve it in a known volume of water, and make up the solution to a specific volume using a volumetric flask. This process allows you to accurately determine the concentration of the solution.
Why is it necessary to standardize the NaOH solution before titration?
Standardizing the NaOH solution before titration is important to accurately determine its actual concentration. This ensures the accuracy and reliability of the titration results by eliminating any discrepancies that may arise from variations in the concentration of the NaOH solution.
Is olive oil homogeneous or heteorgenous?
Cooking oil is an example of a homogeneous mixture, because it has the same consistancy throughout. There is no need to shake it up before using. Shaking is necessary when the contents of a solution settle at the bottom of a solution, such as in Italian salad dressing.
What is Secondary standard solution in volumetric analysis with example?
Primary standard is a chemical entity available with highest purity and stability with high molecular weight. e.g. KHP, NaCl, Calcium salt used in standardisation of volumetric solution. Secondary standards are compounds used in analysis after evaluation against primary standards. e.g.- NaOH VS, Sodium thiosulphate VS
Is it necessary to use an enema before a sphincterotomy Won't the miralax cleanse the day before do the same thing?
An enema is still the preoperative standard. A Miralax cleanse is not sufficient in the vast majority of cases.
Why is it necessary to filter the benzoic acid solution while hot?
Filtering the benzoic acid solution while hot helps to keep the compound in solution as it cools, preventing it from crystallizing and clogging the filter paper. This ensures that all impurities are removed from the solution before it solidifies.
Why is it necessary to study order of operations and laws of operations before you solve equations?
Because if you did operations in an impermissible order, or violated laws of operations, then your solution to the equation is wrong.
Is it necessary for me to check out of the hotel before leaving"?
Yes, it is necessary to check out of the hotel before leaving.
What you need to calculate first before calculating the kurtosis?
Before calculating kurtosis, you first need to determine the mean and standard deviation of the dataset. The mean is crucial for centering the data, while the standard deviation is necessary for standardizing the values. After these calculations, you can compute the fourth moment about the mean, which is essential for deriving the kurtosis value.
Why is it necessary to dry the ice before adding to the water?
It is not necessary.
