Answered: What is the importance of calibrating…

What is the importance of calibrating pH electrode and weighing balance during buffer preparation? What will happen if either of them is uncalibrated? Which will result to bigger error?

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter26: Molecular Absorption Spectrometry

Section: Chapter Questions

Problem 26.20QAP

See similar textbooks

Related questions

Q: The half-life of a decaying radioactive isotope is the time it takes for half of the original mass…

A: Here we are required to find the half life of the radio isotope

Q: In the following reaction, which is the salt? HBr + NaOH > H2O + NaBr Select the correct response:…

Q: Between ethanol CH3CH2OH and Water H2O, which molecule would you expect to have a lower vapor…

Q: NaOH 1, Me₂CuLi 2. H+

Q: Moving to another question will save this stion 9 What is the theoretical efficiency of an engine…

Q: Provide the following: A) Given B) Formula C) Calculations and D) Answer.| Calculate the normality…

A: The given problem is related to the standardization of iodine solution using arsenic trioxide. The…

Q: What do you call the substance in which the colloidal particles are distributed? Select the correct…

Q: a) Answer ALL parts a) - c). i) State the selection rule for an IR active transition. What factor…

A: According to bartleby guidelines, we're supposed to answer first three subparts of a multipart…

Q: A 2.0 gram sample of a non-electrolyte is dissolved in 100 grams of water. If the resulting solution…

A: Given, mass of sample of a non electrolyte = 2.0 g Mass of water solvent = 100 g = 0.1 Kg Freezing…

Q: What is the IUPAC name of the following compound? CH 3 1 CH 3- CH2-CH 2-CH 2- CH- CH 3 O…

Q: Identify the functional groups in the given or 0 HO-H H OH OH Select the correct response: Aldehyde…

Q: pK₂ = What is the color of this indicator in a solution with pH = 4?

Q: Calculate the pH at the equivalence point for the titration of 0.180 M methylamine (CH3NH₂) with…

A: pH at equivalence point can be calculated by considering the species present.

Q: Use special gel loading tips or a micro-syringe to load the complete sample in a narrow well. Take…

Q: arrange the following reaction accordingly 1 UV rays release the chlorine from CFC 1.…

A: It is chlorine from CFCs that destroys the ozone layer. So we have to arrange in such a way that the…

Q: A solution contains NaOH, Na2CO3, and NaHCO3, either alone or in a permissible combination. A 50 mL…

A: Given: Concentration of HCl =0.10 M Volume of HCl required to reach bromocresol green end point =…

Q: A galvanic cell is powered by the following redox reaction: 2 Cl₂(g) + N₂H₂(aq) + 4 OH (aq) 4 Cl(aq)…

A: Given reaction is : 2Cl2 (g) + N2H4 (g) + 4OH- (aq) ------> 4Cl- (aq) + N2 (g) + 4H2O (l) a).…

Q: A 1.000-g sample containing KHC2O4, H2C2O4, and impurities required 38.22 mL of 0.1000 M NaOH for…

Q: Which salts will be more soluble in an acidic solution than in pure water? Sn(OH)₂ AgCl CsC104…

Q: Attraction between atoms to weak. 1. How would you describe the spacing between the atoms? Are the…

A: 1) If the attraction between them is weak, then there will be free space around atoms and they would…

Q: Choices HO H -H -OH OH Skeletal Isomers Geometric Isomers CH3 H HO H₂C OH -H OH CH₂ Functional…

A: Organic compounds can be defined as the compounds that contain carbon and hydrogen atoms in a…

Q: Given the thermodynamic information below for ethylene glycol (molar mass = 62.068 g/mol): Normal…

A: Initially at 25.0°C , ethylene glycol is in liquid state . So first step would be heating of liquid…

Q: Match the following pair of organic compounds with the specific type of isomerism that they exhibit…

A: Isomers are the molecules that have same molecular formula but differ in their structure.

Q: 1. Draw 3 isomers of C7H12O2 then state where you will dispose it (the kind of waste disposal should…

Q: A solution of HCl was titrated against sodium carbonate. What is the titer for Trial 1 in the given…

A: Given : Weight of Na2CO3 = 0.3562 gm Normality of HCl = 0.1954 N

Q: hydroxide if 0.321 g sodium carbonate is dissolved in 250 mL. Na2CO3 + H2O 2NaOH + H2CO3 MM of…

Q: The isotopic mass of 33P is 32 971726 amu. Determine its binding energy (in MeV) per nucleon. mass…

Q: Water required 120.5 seconds to flow through a viscometer and the same volume of acetone required…

Q: Classify each titration curve as representing a strong acid titrated with a strong base, a strong…

A: Titration of an acid with base or base with acid results into neutralisation reaction. When strong…

Q: A 5.00 kg solution was found to contain 3.75 mg of mercury ion. What is the concentration of mercury…

A: Parts per million (ppm) concentration is the ratio of mass of solute to the mass of solution…

Q: During the titration, 18.5 mL of H3PO4 solution is required to neutralise 122.6 mL of 1.9 M KOH…

A: Given, H3PO4 + 3KOH → K3PO4 + 3H2O Concentration of KOH solution = 1.9 M = 1.9 mol/L Volume of KOH…

Q: Please help me List and explain how each error effects my % yield when doing the reaction of finding…

A: Percent yield is the actual yield divided by the theoretical yield multiplied by 100: % yield=Actual…

Q: Which of the following conditions will result to MnO4² as product for the reaction between MnO4 and…

Q: All are properties of ideal solvent for recrystallization except: Has a boiling point below the…

A: Recrystallization is a technique used to purify chemicals. Recrystallization involves the process of…

Q: An aqueous solution containing 2.50% by mass of nitric acid boils at 100.411degC. Calculate the…

Q: See the attraction between atoms between weak and strong. A. How would you describe the spacing…

Q: Calculate the standard enthalpy of formation of liquid methanol, CH3OH(1), using the following…

Q: If a buffer solution is 0.300 M in a weak base (K₁ = 8.7 x 10-5) and 0.400 M in its conjugate acid,…

Q: 9.000 g of Compound X with molecular formula C4H8 are burned in a constant-pressure calorimeter…

A: mass of compound X taken for combustion = 9.000 g Molar mass of X(C4H8) = 56.107 g/mol Moles of…

Q: Identify three household products that contain or are made of ionic compounds. List the names of the…

A: Given, There household products that contains or are made of ionic compounds

Q: i s a c h r o m a t o g r a p h i c p a r a m e t e r u s e d i n q u a l i t a t i v e…

A: The following are the details related to each parameter with a correct option also.

Q: A sample of pure sodium oxalate weighing 0.1050 g is ignited [Na2C2O4 (s) --> Na2CO3 (s) + CO (g)]…

Q: 4. The reaction 2HCl (g) = H 2 (g) + Cl 2 (g) has a K = 3.2 x 10 -34 at 25 o C. If a reaction vessel…

A: We can calculate the equilibrium concentration of Cl2 and H2 by using the equation of the given…

Q: Guideline 3: we prefer not to add this substituent مهم جدا كي يمكن تحطر هذا مركي MeO 14 هر NH₂ NH₂…

A: THE Given molecule is a organic compound where NO2,NH2,-OCH3 groups are present.

Q: a) Br (only product) b) I I ( CH₂CHCH₂CHCH₂ C) H₂₂C A Br H₂C CH₂

A: Preparation of molecules given using any alkene:

Q: (b) Give 5 properties of metal ions that will affect the structure and bonding in coordination…

A: The answer is attached below-

Q: 4. Write the structural formulas of isomeric five-carbon saturated alcohols. How do they react with…

A: Given, Five-carbon saturated alcohols. Isomers are molecules with the same molecular formulas, but…

Q: Calculate the pH of the resulting solution if 24.0 mL of 0.240 M HCl(aq) is added to 34.0 mL of…

Q: What is the IUPAC name of this compound? CH 3 CH 2 CH 2 CH 2 CH 2 CH 2 CH 3 heptane butane octane…

A: -> For IUPAC naming following steps are required First of all identify the longest carbon chain…

Q: 2. Draw the R and S isomers of C9H19F then state where you will dispose it.

Question

What is the importance of calibrating pH electrode and weighing balance during buffer preparation? What will happen if either of them is uncalibrated? Which will result to bigger error?

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

What are the 3 ways to determine the completion of a coulometric titration
Chemistry Potentiometry Topic Briefly discuss the following: 1.different types of membrane indicator electrode 2.how a pH glass electrode works 3.errors encountered in the use of pH electrode 4.contribution of other variables in the glass indicator potential
Traces of aniline can be determined by reaction with an excess of electrolytically generated Br2: C6H5NH2 + 3Br2 =====è C6H2Br3NH2 + 3H+ + 3Br- The polarity of the working electrode is then reversed, and the excess bromine is determined by a coulometric titration involving the generation of Cu(I): Br2 + 2Cu+ ===è 2Br- + 2Cu2+ Suitbale quantities of KBr and copper (II) sulfate were added to a 25.0 ml sample containing aniline (C6H5NH2). Calculate the mass in micrograms of C6H5NH2 in the sample from the accompanying data. Working electrode Functioning as Generation Time (min) with a constant current of 1.00 mA Anode 3.76 cathode 0.270
After measuring the pH of 0.20 M NaOH, the pH of 0.10 M Acetic Acid was immediately measured without washing the pH electrode. Which of the following describes the effect on the measurement of pH of CH3COOH? A. Traces of NaOH will react with CH3COOH, and will result in an increase of pH. B. Traces of NaOH will be detected as acetic acid and will result in the decrease in measured pH. C. The CH3COOH solution will be diluted with NaOH causing an increase in pH. D. There will be no effect since the pH meter is not sensitive trace amounts of acids or bases.
Consider the titration of 25.0 mL of 0.010 0 M Sn21 by 0.050 0 M Tl31 in 1 M HCl, using Pt and saturated calomel electrodes. (a) Write a balanced titration reaction. (b) Write two half-reactions for the indicator electrode. (c) Write two Nernst equations for the cell voltage. (d) Calculate E at the following volumes of Tl31: 1.00, 2.50, 4.90, 5.00, 5.10, and 10.0 mL. Sketch the titration curve.
A sample of Na2CO3 is known to contain inert matter and either NaOH or NaHCO3. In the potentiometric titration of a 0.225 gram sample with 0.100 N HCl, using a saturated calomel electrode and a hydrogen electrode, the following data were obtained (photo attached) Plot the titration graph and from it determine the nature and approximate composition of the sample. At what volume does the first equivalence point occur? ____ mL At what volume does the second equivalence point occur? ____ mL
Why use basic buffer solution in an experiment for hard water analysis?
What is the difference between alkalinity and buffering capacity?
When one would like to run an experiment with EDTA, sometimes it is necessary to do back titration. When do you think that the back titration is necessary? Give at least three situations where the back titrations are required.
Is this for Average Molarity of EDTA Standard Solution? Then, would it be always the same with average Molarity of EDTA? How about the Ca Titer (mg Ca/mL of EDTA Solution? Show step by step solution.
Which are TRUE for the use of indicators with dichromate? I Dichromate is orange and changes color to green when reduced. The color change is abrupt enough to serve as an indicator.II The equivalence point for dichromate can be determined using Pt and calomel electrodes.III Dichromate end points are determined using the distinct color changes of diphenylamine sulfonic acid or diphenylbenzidine sulfonic acid indicators.IV In basic solution, the orange dichromate solution changes color to yellow when reduced to chromate anion. The color change is abrupt enough to serve as an indicator. A. I and III B. II and III C. I and IV D. II and IV E. I, II, and IV
If an Ecell of 0.495V was noted when your cell was set-up. What is thesolution pH?