0
A procedural change would be required if a student wanted to determine the acidity of tomato juice by titrating a juice sample with NaOH solution Briefly explain?
Wiki User
∙ 14y ago
One problem in studying Tomato Juice is that it has an opaque red color which would interfere with the observation of the color of a pH indicator.
Wiki User
∙ 14y ago
Add your answer:
Earn +20 pts
What is hypothesis of a acid base titration?
to determine the concentration of the unknown solution and to determine the molar concentration of acetic acid in a sample of vinegar by titrating it with a standard solution of NaOH.
How could you determine the amount of sodium hydroxide found in the commercial cleaner like Clorax?
You can determine the amount or concentration of NaOH by titrating with a standard solution of acid.
What is the purpose of titrating sodium hydroxide with an acid solution?
Determination of the concentration of sodium hydroxide in solution with the help of a neutralization reaction.
How to calculated NaOH concentration be affected if the colour change in the solution is too dark?
I presume you are titrating a standardized solution of (eg) HCl with NaOH to determine the molarity of the alkali. You would normally use an indicator which will change colour at the end point (eg colourless to pink for phenolphthalein). If the solution is very coloured to begin with it can mask the colour change and so make the end point hard to see and lead to a miscalculation of molarity.
What is the effect on a titration if the solution is exposed to air?
Unless the compound you are titrating is air sensitive, which is uncommon, the main effect of air on a titration is on the strong base solution. If you are titrating a weak acid with a strong base, then the strong base solution must be very carefully standardized so that you know the exact number of moles of base. However, carbon dioxide (CO2) in the air can combine with water to form carbonic acid (H2CO3). When CO2 mixes with the water of the strong base solution forming H2CO3, it will tend to slightly neutralize it, reducing the actual concentration base in the solution.
What is hypothesis of a acid base titration?
to determine the concentration of the unknown solution and to determine the molar concentration of acetic acid in a sample of vinegar by titrating it with a standard solution of NaOH.
How could you determine the amount of sodium hydroxide found in the commercial cleaner like Clorax?
You can determine the amount or concentration of NaOH by titrating with a standard solution of acid.
What is the meaning of the term end point in titration and what is true about the system at the end point?
In titrations, the end point is when you have brought the tested sample to absolute neutral. At this point, if you add one more drop of titrating solution to the sample, you would change the pH sufficient to change the color of the indicator in the sample. This is the point at which you can determine the pH of the original solution, by calculating back the amount of titrating solution you had to add to the sample to neutralize it.
What is the purpose of titrating sodium hydroxide with an acid solution?
Determination of the concentration of sodium hydroxide in solution with the help of a neutralization reaction.
How could you determine whether phenolphthalein remains in the residue of a titration reaction?
The easiest way is to add back some of the solution you were titrating. If phenolphthalein remains, it will react with the solution and change back to purple. Incidentally, phenolphthalein will always remain in the solution of the titration reaction - it changes color depending upon the pH of the solution, but the indicator itself is not affected by the titration reaction.
Kuvempu university BscIT solution?
what is procedural laguage
How do you determine the concentration of solution?
To determine the concentration of a solution, you would need to separate the solution. You then determine how much of the solution is diluted, and how much is whole.
How to calculated NaOH concentration be affected if the colour change in the solution is too dark?
I presume you are titrating a standardized solution of (eg) HCl with NaOH to determine the molarity of the alkali. You would normally use an indicator which will change colour at the end point (eg colourless to pink for phenolphthalein). If the solution is very coloured to begin with it can mask the colour change and so make the end point hard to see and lead to a miscalculation of molarity.
What is the effect on a titration if the solution is exposed to air?
Unless the compound you are titrating is air sensitive, which is uncommon, the main effect of air on a titration is on the strong base solution. If you are titrating a weak acid with a strong base, then the strong base solution must be very carefully standardized so that you know the exact number of moles of base. However, carbon dioxide (CO2) in the air can combine with water to form carbonic acid (H2CO3). When CO2 mixes with the water of the strong base solution forming H2CO3, it will tend to slightly neutralize it, reducing the actual concentration base in the solution.
To figure out the exact pH of a solution you'll need to determine the?
You need to determine the percent of hydrogen (pH) molecules in the solution.
How do you determine if a substance was a mechanical mixture or a solution?
In a solution particles are not identifiable.
What is the conclusion of preparing a standard solution?
standardization of solution is the process used to determine the concentration of solution
