Which analytical tools require an external application of current to the analyte? O Gravimetric analyzer O Biosensor for measuring ATP O pH Glass electrode O Solid-state fluoride electrode
Q: 1. Calculate the potential of a platinum indicator electrode dipping into a solution that is 0.1M in…
A: Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: the diagram of the fluoride ion-selective electrode
A: The diagram of fluoride ion-selective electrode is as follows-
Q: In the analysis at 25 ° C of chloride using an ion selective electrode (ISE), two 100 mL solutions…
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Q: The selectivity coefficient of the fluoride ion-selective electrode is kF-,OH- = 0.15. How does the…
A: Answer is explained below.
Q: Consider the following redox reaction. MnO- + 5F22++8H+ Mn²+ + 5FE³+ +4H,0 A 0.514 2-g sample of…
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Q: Why alternating current is used for conductometric measurements? What will happen if large…
A: (f) When DC current is used, it cause the polarization of electrodes and electrolyte which leads…
Q: The selectivity coefficient of the fluoride ion-selective electrode is kF-,OH- = 0.15. How does the…
A: Given as kF-,OH- = 0.15. [F- ]=1.4 x 10-5 M
Q: 3. The measurement of F- ion concentration by ion-selective electrodes at 25.00°C obeys the equation…
A: As per the given data we have Emeasured=Ereference-0.05916log[F-] 0.4462V=0.2420V-0.05916log[F-] On…
Q: A pH probe/meter uses the following equations: Ecell = L + 0.0592 log a1 = L - 0.0592 pH Where L =…
A: The process of determining the concentration of an ionic species by using a single measurement of…
Q: Which of the following statements is/are correct for coulometry? I. Coulometric methods count the…
A: 1.In coulometry method,electron count is important to measure the analyte. 2.Coulometry uses…
Q: The selectivity coefficient of the fluoride ion-selective electrode is kF-,OH- = 0.15. How does the…
A: Given: kF-,OH- = 0.15 1.4 x 10-5 M F- ions pH 5.5 change to pH 11.0
Q: 5 A 0.400-g sample of toothpaste was boiled with a 50.00 mL solution containing citrate buffer and…
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Q: :The electrolyte solution within the glass electrode (ref) of the pH meter is .a O Dilute KC1…
A: Glass electrode made up of glass tube with a thin glass bulb at the tip.
Q: (f) Why alternating current is used for conductometric measurements? (g) What will happen if large…
A: Near its pKa, a good indicator has a strong colour that changes quickly. Given how desired they…
Q: Calibration of a glass electrode gave a reading of 139.1 mV with a 0.05 m potassium dihydrogen…
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Q: The selectivity coefficient of the fluoride ion-selective electrode is kF-,OH- = 0,15. How does the…
A: As per Nikolskii-Eisenman equation:
Q: A 100.0 mL100.0 mL solution of 0.0200 M Fe3+0.0200 M Fe3+ in 1 M HClO41 M HClO4 is titrated with…
A: The Nernst equation is shown below: Where; Ecell = electrode potential at any condition E0cell =…
Q: Calculate the Ecell at the equivalence point for titration of 25.0 mL of 0.100 M Fe2* in 1.00 M HNO3…
A: The potential difference between two-half cells of an electrochemical cell is known as cell…
Q: Determination of Sulfates in water (Analysis) Materials / Equipment needed Standard Methods…
A: Determination of sulfates in water in water. In water various types of contaminants available and…
Q: From the titration of 50.00 mL of FeSO4 0.2500 mol L-1 with a solution of K2Cr2O7 0.1000 mol L-1…
A: The balanced chemical equation for the reaction between Fe2+ (from FeSO4) and K2Cr2O7, in acidic…
Q: In the reaction Cet + Fe2* ==> Ce* + Fe+ Knowing that Fet +e ==> Fe2 E°= 0.767 V Ce** +e ==> Ce* E°=…
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Q: The following data were obtained using a nitrate electrode for a series of standard solutions of…
A: A numerical problem based on calibration curve, which is to be accomplished.
Q: 12.00 mL of 0.1234 M Fe 2+ is titrated with 0.1234 M BrO - 3 and monitored using potentiometry (an…
A: 1. The cell potential can be given as follows: E=E∘-0.0591nlogQ............(1) where Eo for Fe2+ is…
Q: Qr. Which electrode has higher reaction rate constant (k)? Justify your answer
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Q: In an ion-selective electrode, the inner solution and analyte solution are separated by a O metal…
A: The electrochemical ion sensors which transforms the activity of target ion to electrical potential…
Q: Which of the following is NOT an attribute of a reference electrode? constant and insensitive to the…
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Q: A 50.00 mL of 0.100 M Fe(II) is to be analyzed by redox titration with suitable reagents For the…
A: The reaction of the following titration is, Fe(II) +Ce(IV) →Fe(III) +Ce(III)
Q: The concentration of ammonia in a water sample can be measured by electrode. Why does the pH of each…
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Q: The following data were obtained with a cadmium-selective solid-state electrode. The ionic strength…
A: This is an example of concentration cell. In a concentration cell is made up of two half electrodes…
Q: What is The principle of fluoride ion-selective electrode (FISE)?
A: Ion-selective electrodes responds selectively to one ion.
Q: Calculate the cell potential when 50.00 mL of 0.100 M Ag+ solution is titrated with 50.00 mL of…
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Q: xplain how the ion selective electrode works for measuring H+ in solution (pH glass electrode?
A: Ion selective electrode is the type of gas electrode that converts the activity of a specific ion…
Q: Alkaline error associated with the use of glass membrane pH electrodes for pH measurements will…
A: The glass electrode is made up of a thin layer of glass. It is a type of ion-selective electrode. It…
Q: Which of the following statements is/are correct for coulometry? I. Coulometric methods count the…
A: Coulometry which is used to determine the amount of matter transformed during an electrolysis…
Q: If an Ecell of 0.495V was noted when your cell was set-up. What is the solution pH?
A: pH = Ecell/0.0951
Q: What are the main components of fluoride ion-selective electrode?
A: The three main components of making a measurement at an ISE are an inner reference, or standard,…
Q: A 40.00-mL aliquot of 0.05000 M HNO2 is diluted to 75.00 mL and titrated with 0.0800 M Ce4+ . The pH…
A: Given: pH of the solution = 1.00 A 40.00-mL aliquot of 0.05000 M HNO2 is diluted to 75.00 mL and…
Q: Q 3. (i) What is Nernst Equation? The standard electrode potential of Zinc ions is 0.67V. What will…
A: (i) Even under non-standard conditions, the cell potentials of electrochemical cells can be…
Q: Change of indicators colour is related to the change of the .A Structure .B Intramolecular…
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Q: What is a supporting electrolyte and what iş its roſe in electrochemistry?
A: Electrochemistry can be defined as the branch of chemistry that involve electric and chemical…
Q: 7. In potentiometric measurement, any change in cell potential is due to a change in the potential…
A: Given statement is "In potentimetric…
Q: Which of the following is an example of an indicator electrode for fluoride measurements in…
A: in the determination of fluoride measurements in toothpaste, the indicator electrode used is
Q: A solution containing about 0.001 M Ca2+ is being measured using a calcium-specific electrode. If an…
A: Concentration of Ca2+ = 0.001M Permissible interference from Na+ = 4% We have to calculate the…
Q: At pH 7, what metal ions can be titrated by EDTA?
A: In complexometric titrations, EDTA requires a certain minimum pH for titrating each metal ion. The…
Q: Which of the following is an example of an indicator electrode for bromide measurements in seawater?…
A: Bromide ions are generally found in sea water. Let us discuss electrode used as indicator for this…
Q: Explain these four methods for detecting the end point of an EDTA trtration. 1. Metail-ion…
A: 1) metal ion indicators - A metal ion indicator is a substance that changes color when it binds to…
Q: For indicator electrodes, which statements are true? I Indicator electrodes are made from…
A: Given: statements about indicator electrodes. To find: which statements are true.
Q: Which statements are true about gravimetric analysis? The gauze cathode is inert O The final form of…
A: Interpretation: To find true statements regarding gravimetric analysis.
Q: 26 I low will the e.m.f vary upon the addition of more water to the left hand electrode? (A)…
A: These question are from different different sections of chemistry. First one is related to…
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- What is The principle of fluoride ion-selective electrode (FISE)?The selectivity coefficient of the fluoride ion-selective electrode is kF-,OH- = 0.15. How does the electrode potential of 1.4 x 10-5 M F- ions at pH 5.5 change to pH 11.0? aF- = [F-] dilute solution is considered.a) Define the term pH. Which electrode do you use? Draw a scheme and describe theprinciple of pH measurement. Express the limitations of the electrode used.b) To discuss following each titration of a solution with a strong base and draw each titrationcurvesi) 0.1 M H2SO4 (first acidty is very strong, K2= 1.2 10-2
- The selectivity coefficient of the fluoride ion-selective electrode is kF-,OH- = 0.15. How does the electrode potential of 1.4x10-5 M F- ions at pH 5.5 change to pH 11.0? aF- = [F-] dilute solution is considered.What Range of cathode potentials versus the saturated calomel electrode can be used to quantitatively separate Ag+ and Ni2+ by electrolytic deposition? Assume that the sample solution is initially 0.1000M in each ion and the quantitative removal of an ion is realized when only 1 part in 10000 remains undeposited. ESCE = 0.244V E0Red (Ag+) = 0.8V E0Oxid (Ni) = -0.25VWhat is the aim of submerging the electrode in a potassium chloride solution? Must this be stored in a distilled or deionized water? What is the aim of measuring the pH meter utilizing reference buffers?
- Explain the principle behind the working of an ion selective electrodeExplain how the ion selective electrode works for measuring H+ in solution (pH glass electrode?A bare silver wire electrode is dipped into a solution 0.05M in KNO3 (supporting electrolyte) and saturated in AgBr (Ksp = 5.0 x 10-13), and connected to the back of an mV/pH meter along with a saturated calomel reference electrode. Calculate the potential of the silver indicator electrode. Calculate the cell potential.
- Given the following: A cell SCE // Ag2CrO4 (saturated), CrO42- (xM) /AG is used for the determination of pCrO4- (ESCE = -0.244 V at 25 C). The half reaction at indicator electrode is: Ag2CrO4(s) + 2e- 2 Ag(s) + CrO42- (E0 = +0.446 V) What is pCrO4, given the cell potential of 0.402? What type of indicator electrode is Ag in this situation?Use the shorthand notation to describe a cell consisting of a saturated calomel reference electrode and a silver indicator electrode for the measurement of (a) pSCN. (b) pI. (c) pSO3 (d) pPO. Then, generate an equation that relates pAnion to Ecell for each of the cells. (For Ag2SO3 Ksp = 1.5 * 10-14; for Ag3PO4, K,p = 1.3 *10-20 ).