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5.012g of oxalic acid hydrate is dissolved in enough water to make 100 ml of solution. this solution is stitrated with a standardized NaOH solution. It required 39.40 ml of 2.02 M NaOH to reach the?
End of the sentence is missing.
Why do we standardize NaOH?
NaOH is standardized to ensure accurate and consistent results in experiments and analyses. Standardization involves determining the exact concentration of a solution, such as NaOH, by titrating it against a known standard solution. This process helps researchers and scientists to make precise measurements and calculations in their work.
0.01N NAOH solution preparation?
To prepare a 0.01N NaOH solution, you would need to dissolve 0.4 grams of NaOH in 1 liter of water. Make sure to wear proper protective gear and use a glass stirring rod to dissolve the NaOH slowly in the water to prevent splattering. Measure and mix thoroughly to ensure uniformity of the solution before use.
Why you were asked to use exactly 2.00 g of NaOH?
Using 2.00 g of NaOH ensures that the reaction will proceed with the correct stoichiometry as per the balanced chemical equation. This specific amount was likely determined based on the molar ratio of NaOH to other reactants or products in the reaction. It allows for precise calculations and reproducibility of the experimental results.
Would the calculated molar mass be too high or too low if your standardized NaOH were exposed to the air for a long period of time after the standardization?
The calculated molar mass would be too high if the standardized NaOH were exposed to air for a long time. This is because NaOH absorbs carbon dioxide from the air, creating sodium carbonate (Na2CO3). This would make the solution more concentrated and lead to a higher-than-actual molar mass determination.
5.012g of oxalic acid hydrate is dissolved in enough water to make 100 ml of solution. this solution is stitrated with a standardized NaOH solution. It required 39.40 ml of 2.02 M NaOH to reach the?
End of the sentence is missing.
Why do we standardize NaOH?
NaOH is standardized to ensure accurate and consistent results in experiments and analyses. Standardization involves determining the exact concentration of a solution, such as NaOH, by titrating it against a known standard solution. This process helps researchers and scientists to make precise measurements and calculations in their work.
0.01N NAOH solution preparation?
To prepare a 0.01N NaOH solution, you would need to dissolve 0.4 grams of NaOH in 1 liter of water. Make sure to wear proper protective gear and use a glass stirring rod to dissolve the NaOH slowly in the water to prevent splattering. Measure and mix thoroughly to ensure uniformity of the solution before use.
Why you were asked to use exactly 2.00 g of NaOH?
Using 2.00 g of NaOH ensures that the reaction will proceed with the correct stoichiometry as per the balanced chemical equation. This specific amount was likely determined based on the molar ratio of NaOH to other reactants or products in the reaction. It allows for precise calculations and reproducibility of the experimental results.
Would the calculated molar mass be too high or too low if your standardized NaOH were exposed to the air for a long period of time after the standardization?
The calculated molar mass would be too high if the standardized NaOH were exposed to air for a long time. This is because NaOH absorbs carbon dioxide from the air, creating sodium carbonate (Na2CO3). This would make the solution more concentrated and lead to a higher-than-actual molar mass determination.
Which is the best method of estimate acetic acid in pharmaceutical and commercial preparation?
The best method for estimating acetic acid in pharmaceutical and commercial preparations is typically titration using a standardized sodium hydroxide (NaOH) solution. This method involves titrating a known volume of acetic acid solution with NaOH until a color change occurs, indicating neutralization. The volume of NaOH used can then be used to calculate the concentration of acetic acid in the sample.
HOW TO 0.1N NaOH solution preparation?
To prepare a 0.1N NaOH solution, dissolve 4g of sodium hydroxide (NaOH) pellets in enough water to make 1 liter of solution. Use a volumetric flask to accurately measure the final volume. Remember to handle NaOH with caution as it is a caustic substance.
1n naoh solution preparation from 10n naoh?
To prepare a 1N NaOH solution from a 10N NaOH solution, you can dilute it by adding 1 part of the 10N NaOH solution to 9 parts of water. Measure the volume of the 10N NaOH solution needed based on the amount of 1N NaOH solution you want to prepare. Always add the concentrated solution to water slowly and mix well.
How an exact of 0.1N solution of NaOH can be prepared?
To prepare a 0.1N solution of NaOH, dissolve 4g of NaOH pellets in enough distilled water to make 1 liter of solution. This will result in a solution with a concentration of 0.1N of NaOH.
Can we make 1N NaOH solution from 0.1N NaOH solution?
Yes, you can make a 1N NaOH solution from a 0.1N NaOH solution by diluting it 10 times. For example, to make 1 liter of 1N NaOH solution, you would mix 100 ml of the 0.1N NaOH solution with 900 ml of water.
How to standardize 0.1N NaoH?
Because NaOH is hygroscopic, meaning it absorbs water from the air, NaOH cannot be accurately weighed. To standardize 0.1 M NaOH, a solution is made to an approximate concentration of 0.1 M and then standardized by titrating an accurately weighed quantity of a primary standard.
How many grams of NaOH are in 750 ml 0.600 M NaOH solution?
This solution contain 26,3 g NaOH.
