Q: why is it not always necessary to refill the buret after every titration?
A: In the realm of analytical chemistry, precise and reliable titrations play a fundamental role in…
Q: The titration shown in the plot has an equivalence point at pH=7.4. Using this table of…
A: The above titration curve shows that endpoint pH range is 6.4 to 8.4. a) Bromothymol blue: Its…
Q: A 43.9 mL solution of 0.827 mol L-1 HCl is titrated using 0.165 mol L-1 NaOH. What volume of NaOH…
A: Given: Molarity of NaOH=0.165 M The volume of NaOH=V mL Millimoles of NaOH=Molarity x volume…
Q: what is the cation that forms a ppt when added to .1M K2SO4 but not to .1 M Na2S.
A: Given information: 0.1 M K2SO4 0.1 M Na2S
Q: During this course you will use a basteriallysis buffer One of the ingredients of his buffer as…
A: Triton X-100, also known as octylphenol ethoxylate or polyethylene glycol octylphenyl ether, is a…
Q: What is the purpose of adding KI and HCl in the solution before titration?
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Q: In preparing the buret for titration, the final rinse is with the NaOH titrant rather than with…
A: We use buret to precisely determine the volume of the solution to calculate further. The buret…
Q: 3). What other indicators could have been used for the standardization of HCI and NaOH? 4). What…
A: In analytical chemistry, titration is a widely employed technique for determining the concentration…
Q: You were carefully doing your potentiometric titration of vinegar with NaOH when you suddenly had to…
A: A buffer is a solution that can resist the variation in pH. A buffer can be made/prepared by mixing…
Q: Be sure to answer all parts. Which indicators that would be su ble for each of the following…
A: Indicator is a substance that changes the color in the response of some chemical reaction . for…
Q: what would happen if the buret was washed and rinsed properly with water but not conditioned with…
A: There are two important factors in any titration reaction, the known concentration of the titrant…
Q: What volume of KOH is needed to reach the second equivalence point during the titration of 75 ml of…
A: Since density of the solutions are not given, thus considering the molal solution to be equivalent…
Q: Why a mixture of HCl and KCl does not function as a buffer where as a mixture of CH3COOH and…
A: Buffer solutions are those solutions that resist the change in pH upon the addition of a small…
Q: Carly the chemist consistently obtained a dark pink endpoint in all of her titrations in her KHP…
A: An indicator depends on its acid strength i.e. pH range where the color of the indicator changes…
Q: An air bubble of some size was present in the liquid in the buret at the end of the first titration…
A: Considering that you are titrating NaOH with some acid by taking NaOH in burette and acid in the…
Q: What will happen during the titration if you forget to add the phenolphthalein?
A: The chemical compound that is used in acid-base titration as an indicator is phenolphthalein.The…
Q: What does a permanent faint pink color in the solution indicate in the Acid-Base Titration?
A: In the titration of acid base titration , phenolphthalein is used as indicator .
Q: How would the results of an experiment change if a basic buffer was utilized instead of an acidic…
A: The results of an experiment would change if a basic buffer was used instead of an acidic buffer in…
Q: Could phenolphthalein be used as an indicator in the Kjeldahl titration?
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Q: Would you recommend adding the phenolphthalein and methyl orange indicators together at the start of…
A: In titration the equivalence point is known with the help of indicator which changes its color at…
Q: Can someone help me with drawing the reaction scheme of a titration between p- Anisidic Acid and…
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Q: how much NaOH would be needed to overwhelm the buffer?
A: Given that, 40.0 mL of 0.80 M of acetic acid was titrated with 0.30 M of NaOH. Initially, 22.0 mL…
Q: Ideal NaOH titrant preparation requires boiling the solvent H2O. Why
A: When an acid is titrated with sodium hydroxide solution, then initially sodium hydroxide solution is…
Q: How much 0.0140 M HCl is required to titrate 335 mL of 0.0140 M Na2CO3 (to the first endpoint)? To…
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Q: Consider the list of acids and their pKa values attached What two compounds would be best to use in…
A: A buffer solution performs best when the concentration of acid/ base is equal to the concentration…
Q: How would the following error affect this lab? When completing the titration a dark pink endpoint…
A: Experiment: To measure antacid neutralising capacity.Observation given: end pointRight conclusion:…
Q: If carbonic acid (H2CO3) is titrated against a strong base, how many endpoints can be expected?
A: Carbonic acid is a weak acid that can be titrated with a strong base.
Q: a.Both acids can be used to buffer a solution at pH 4.0. b.The conjugate base of citric acid can be…
A: The higher the pKa means the weaker is the acid and we know that a Weaker acid has a strong…
Q: A student starts a titration without phenolphthalein in the Erlenmeyer flask.The student realizes…
A: Since the colour changed is observed when the pH of the titration mixture reaches the equivalence…
Q: What is the purpose of heating a sample prior to analysis (regarding potentiometric titration).
A: The main aim of this question is to show thepurpose of heating a sample prior to analysisregarding…
Q: Write an introduction for the titration of acetic acid with NaOH and for the titration of Polyprotic…
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Q: If one "overshoots" the phenolphthalein endpoint in the NaOH / KHP titration, will the calculated…
A: If one "overshoots" the phenolphthalein endpoint in the NaOH / KHP titration, will the calculated…
Q: Why did the titrations performed need to be started immediately after adding the sulfuric acid?
A: The reaction of IO3- coming from thiosulphate with KI it releases I2 gas ,when H2SO4 is added, so to…
Q: Calculate the concentration of a 20.00 mL solution of HNO2 that required 18.96 mL of 0.1000 M NaOH…
A: Molarity of NaOH, M1 = 0.1000 M Volume of NaOH, V1 = 18.96 mL Volume of HNO2, V2 = 20.00 mL…
Q: The arterial blood plasma is buffered by the carbonic acid and bicarbonate ion, with a ratio of…
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Q: Identify the structure(s) observed at each point (a-c) indicated along the titration curve. Point…
A: We have match the curves to appropriate compound.
Q: If you have determined your pKa values and located the equivalence points on the graph, and then you…
A: Solution - According to the question - Given - If we use a higher concentration of base then the…
Q: 3. Copy the five sets of data (volume NaOH and pH) from titration #3 into the table on the next…
A: The objective of the question is to calculate the pKa of an unknown weak acid using the…
Q: Please answer this question with steps thanks.
A:
What would be the effect of a more dilute solution of NaOH on the titration?
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