21 Answered Questions for the topic Titrations
Titrations Chemistry
01/12/21
Dilute hydrochloric acid was titrated with sodium carbonate solution. ( I am struggling with this kind of questions T_T)
• 10.0cm3 of 0.100mol/dm3 hydrochloric acid were placed in a conical flask. • A few drops of methyl orange indicator were added to the dilute hydrochloric acid. • The mixture was titrated with...
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Titrations Chemistry
04/23/20
Chemistry and Titrations
In a titration, a student used 25.30 mL of a 0.500 M NaOH solution to reach the equivalence point with 15.80 mL of vinegar. Calculate the molarity of the vinegar.
Titrations Chemistry
09/22/18
Why do you have to filter AgCl before you can start back titration using the Volhard method?
Why will you have to filter AgCl before you can start back titration? Is this also necessary for AgBr and AgI?
Titrations Chemistry
09/22/18
How can you correct if you do not determine the precipitation of Ag2CrO4 at the stoichiometric point?
With the Mohr method
06/21/18
Why is the pH of the first equivalence point, of a titration of polyprotic acid, not equal to7?
A titration of phosphoric acid with sodium hydroxide. The first equivalence point has a pH of about 5.
My thoughts are that because it is only the first equivalence point, only one H+ has been...
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06/20/18
Calculate the Ka of a weak acid?
A sample of a certain monoprotic weak acid was dissolved in water and titrated with 16.00mL of 0.125M NaOH to reach the equivalence point. During the titration, the pH after adding 2.00mL of NaOH...
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How do I calculate the average volume of my titration?
When doing a titration, my results were 12.85, 12.87, 12.93. How do I average this? Do I use the two closest to each other, the last two, or all three? My teacher required us to do a minimum of 3...
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Titrations
05/10/18
A calculation that predicts how many milliliter of 0.121M of HCL acid solution needed to a 0.200g sample of calcium carbonate
How many milliliters of 0.121 M of HCL solution you will need to titrate a 0.200g sample of calcuim carbonate
Titrations
01/09/18
Explain the answer in few lines
Can i tirate a solution of unknown concentration with other solution of unknown concentration and still get a meaningful answer
10/28/17
I have found mols of HCl and I have found mols of the unknown Metal (M). What are my next steps?
I have found the mols of the HCl solution and I have found the mols of the unknown M. I divided by the mass to get 53.89g/mol. What I did next was find the mols of NaOH by using the formula...
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Titrations
10/19/17
A shell weighs 1.216g and 10cm3 of 5 mol dm-3 of HCl is added.after shell dissolved, solution is transferred and volume made up to 25cm3.
The solution required 28 cm3 of 1 mol dm-3 sodium hydroxide for complete neutralisation.
I have calculated moles of moles of NaOH. I am having trouble working out how many moles of acid remained...
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Titrations
10/19/17
A 50cm3 sample of solution which is 0.1M in HF is treated with 20cm3 of 0.1M NaOH. the concentration of HF remaining in the solution after addition of NaOH
Help please
03/09/17
Chemistry Titration
What is the molarity of NaOCl in a solution of bleach if 10.00mL requires 22.35mL of 0.02191M Na2S2O3 to reach the endpoint? Show work. Hint: Work through the I2 first.
Reaction Equations that...
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09/27/16
TITRATION Problem Part 2
The problem deals with the titration of 441 mL of 0.501 M carbonic acid (H2CO3) (Ka1 = 4.3 x 10-7, Ka2 = 5.6 x 10-11) with 1.3 M NaOH.
How many mL of the 1.3 M NaOH are needed to raise the pH...
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TITRATION PROBLEM AND SOLVING pH
The problem deals with the titration of 441 mL of 0.501 M carbonic acid (H2CO3) (Ka1 = 4.3 x 10-7, Ka2 = 5.6 x 10-11) with 1.3 M NaOH.
What will the pH of the solution be when 0.2294 L of 1.3 M...
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04/10/16
Ksp and the Common Ion Effect
I just completed a lab in which I titrated Calcium Iodate with Na2S2O3. During the titration we were told to add a starch once the liquid had turned light yellow. When we did this it became dark...
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04/10/16
2 Redox titration questions??? Please help!!! General Chemistry Lab?
Q1. Iron is often used to standardize permanganate solutions. A 0.158 g sample of pure iron wire was dissolved in dilute sulfuric acid to form a solution of iron (II) sulfate. This was titrated...
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04/10/16
Redox titration question? Determine the molarity of a solution? PLEASE HELP!!
Q1. Iron is often used to standardize permanganate solutions. A 0.158 g sample of pure iron wire was dissolved in dilute sulfuric acid to form a solution of iron (II) sulfate. This was titrated...
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Titrations Chemistry
04/06/16
Titration Question
I have absolutely no idea how to do this and do not even know what to search even if I did need help. The question is; If the base solution is 0.250 M and there is one equivalent of OH- ions for...
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03/09/16
Buffer/Titration Chemistry Problem??! PLEASE HELP - I AM LOST!!!
A 25.0 mL sample of 0.723 M HClO4 is titrated with a 0.273 M KOH solution. The H3O+ concentration after the addition of 66.2 mL of KOH is __________ M.
0.723 1.00 × 10-7 2.81 × 10-13 0.439...
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11/24/15
We are titrating 0.1N NaOH against unknown concentration of acid, say H2SO4, using Phenolphthalein indicator. Why there's no end point appearing?
It's an acid base titration experiment, where we have to find the concentration of an unown acid using known concentration of a base using indicator. Here we used 0.1 M NaOH, and 5ml H2SO4 made up...
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