Hard Water Trial 1 Hard Water Trial 2 Hard Water Trial 3 Initial Syringe Reading (mL) 1ml 1ml 1ml Final Syringe Reading (mL) 77ml 79ml 75ml Volume of EDTA Consumed (mL) .23ml .21ml .25ml Water Hardness ppm CaCO3 (mg/L) Average ppm CaCO3 (mg/L):

Hard Water Trial 1 Hard Water Trial 2 Hard Water Trial 3 Initial Syringe Reading (mL) 1ml 1ml 1ml Final Syringe Reading (mL) 77ml 79ml 75ml Volume of EDTA Consumed (mL) .23ml .21ml .25ml Water Hardness ppm CaCO3 (mg/L) Average ppm CaCO3 (mg/L):

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter17: Complexation And Precipitation Reactions And Titrations

Section: Chapter Questions

Problem 17.35QAP

See similar textbooks

Related questions

Q: The number of nearest-neighbor atoms of an atom is called its O a. sequence number O b. system numbe...

A: In a crystal lattice structure, an atom is surrounded by a definite number of neighboring atoms.

Q: You have a test tube containing a mixture of Ag+, Fe3+, and Ba2+. Make a diagram similar to Expt. 1 ...

A: from a mixture of cation they an be separated by using reagent that causes precipitation of individu...

Q: Liquid octane CH3CH26CH3 reacts with gaseous oxygen gas O2 to produce gaseous carbon dioxide ...

A: Given : For Octane (C₈H₁₈) Mass = 4.6 g And For Oxygen (O₂) Mass = 6.4 g Find : ...

Q: An aluminum atom has a mass of 4.48 × 10 g and a small airplane has a mass of 5000. kg. Use this inf...

A: Given, Mass of 1 atom of aluminium = 4.48 × 10-23 g Mass of small airplane = 5000 kg = 5.0 × 106 g M...

Q: What is the chemistry behind why rusting occur rapidly in moist conditions compared to a dry environ...

A: Rusting is the oxidation process of iron objects. Rusting carried out in presence of moisture and ai...

Q: 2H20(g) + 3N2(g) = 2N20(g) + N2H4(g) If K, for the above reaction is 781.8 at 200.9 K, what is Kp fo...

A: The general expression: Kp = Kc(RT)delta n can be derived where ∆n = moles of gaseous products - mol...

Q: Determine how the following changes affect the given equilblirium reaction that is held in a closed ...

A: Question 20 According to Le Chateliers principle, when a system under equilibrium is subjected to a ...

Q: Qu 1. George Olah (b. 1927 – d.2017), Professor at University of Southern California and winner of t...

A: SbF5 is a strong Lewis acid and can capture any halogen from any halide compound that leads to the f...

Q: Given the following proposed mechanism, predict the rate law for the overall reaction: 2 NO2 + Cl2 →...

A: Elementary reactions are those which occur in one step and in case of elementary reaction the order ...

Q: Suppose the reduction of nitric oxide proceeds by the following mechanism: step elementary reaction ...

Q: Draw the product of the reaction shown below. Use wedge and dash bonds to indicate stereochemistry w...

Q: 6. At normal temperature and pressure, at what phase does water exist? 73 atm CO,4) 7-8. At what pre...

A: There are three phases of matter i.e. solid, liquid and gas. Matter can be converted from one phase ...

Q: In any cubic lattice an atom lying at the corner of a unit cell is shared equally by how many unit c...

Q: Calcium crystallizes in a face-centered cubic lattice. The radius of calcium is 196 pm. What is the ...

A: Ca crystallizes in FCC lattice.The radius of Ca is 196 pm.We have to calculate the edge length of th...

Q: Write the equiliprium constant expression in terms of K, for the reaction: CS, (g) + 4 H, (g) = CH, ...

A: There is a reversible reaction given in the question. We are asked to write the equilibrium constant...

Q: Explain why diphenyl ether, structure given below, does not react by cleavage in the presence of eit...

A: This question is from chapters ethers. Here we will answer by diphenyl ethers do not get cleaved by ...

Q: Place the following in order of increasing acid strength. HlO < H1O 2 < HlO 3 < HlO 4;

A: Place the following in order of increasing acid strength ---

Q: Arrange in decreasing order of thermal expansion co-efficient: steel, polyethylene, silver, Teflon, ...

Q: Balance the following redox reaction: 1. MnO4-1 + H2O2 → Mn+2 + O2 (acidic)

A: MnO4-1 + H2O2 → Mn+2 + O2 We have been asked to balance the above reaction in acidic medium.

Q: Assign the IUPAC name to the following ether CH;CH–0 CH,

A: We have to give the IUPAC name of the given compound. The given compound is an ether. Now, the commo...

Q: 2) Calculate how you would prepare 1.000 / of a pH 9.50 buffer made from NH3 and NH,CI. You are prov...

A: Solution Given that The calculated quantities of NH4Cl & NH3 need t...

Q: Asteltoxin, isolated from cultures of Aspergillus stellatus, exhibits a potent inhibitor on E. coli ...

A: Given:- Asteltoxin, isolated from cultures of Aspergillus stellatus, exhibits a potent inhibitor on ...

Q: A metal crystallizes in a face-centered cubic lattice. The radius of the atom is 196 pm and the dens...

A: A face-centered cubic lattice contains atoms present at the face and at the corner of the lattice. E...

Q: Which of the following is the conjugate acid of H2PO4 ? OA HPO42- O B. HPO4 ОС НЗРО4 ODPO43-

A: Conjugate acid is the chemical species which formed when a base accept a proton.

Q: For a particular redox reaction, BrO¯ is oxidized to Bro, and Cu²+ is reduced to Cu*. Complete and b...

A: Oxidation means loss of electrons and reduction means gain of electrons.

Q: The equilibrium constant Kp for the thermal decomposition of NO2 is 6.50 x 10-6 at 450 "C: 2 NO2(9) ...

Q: When a chemical system is at equilibrium, O A. the forward and reverse reactions have stopped. O B. ...

A: Chemical equilibrium is a dynamic process in which the rate of formation of products becomes equal t...

Q: BALANCE THE FOLLOWING REDOX REACTIONS (3) S + so. I' (basic)

A: Redox reaction is tha where oxidation and reduction both happens. . Here S is getting oxidised and l...

Q: 2- In the reaction HSO4 (aq) + OH (aq) S04( + 20 (1) the conjugate acid-base pairs are: OA. pair 1: ...

A: According to Bronsted- Lowry acid base theory, one who gives H+ is acid and the one who accept H+ is...

Q: The number of nearest-neighbor atoms of an atom is called its O a. sequence number O b. system numbe...

A: We need to tell in the question about what we called to the number of surrounding atoms to the atom...

Q: 2N20(g) + N2H4(g) = 2H20(g) + 3N2(g) If Kp for the above reaction is 0.310 at 187.0 K, what is Kc fo...

A: Given that, Kp of the given reaction= 0.310 Kc = ? T= 187.0 K

Q: QUESTION 6 A 2.0-kg aluminum block is originally at 10 degrees celcius. If 36 kJ of energy are added...

A: In the question we have an aluminum block that is at 10°C and then we suppiled 36kJ of energy and we...

Q: Consider the reaction: CD C2+ + B2-; Ksp = 2.4 x 10-8 What is ΔG° at 25 °C? 87.2 kJ/mol ...

A: Given, Ksp = 2.4 x 10-8 Temperature, T = 25 °C = (25+273) = 298 K

Q: Hydrolysis Place 1 mL of tert – butyl chloride in a test tube and add 5 mL of dilute NaOH solution. ...

A: As per the guideline, since you have asked multiple questions, we have solved the first question...

Q: How many molecules are in 6.26 grams of sulfur dioxide? ______ molecules What is the mass in grams...

Q: 13. The reactant that is completely used up in the reaction le the... A. Limiting reactant B. Excess...

A: The limiting reagent is the one reactant which in a chemical reaction is totally consumed when th...

Q: What are the tissue sources of Alkaline phosphatase? 2. What are Regan and Nagao isoenzymes?

A: 1) Alkaline phosphatase is usually present in all tissues throughout the human body, but is particul...

Q: mL Alcohol 85% ad 240 mL Sig. For the scalp. How milliliters each of 95% v/v alcohol and water shoul...

A: The questions asks the volume of alcohol and water to be mixed in order to prepare 240 ml of 85% alc...

Q: Calculate the pOH if the [H +] = 1.6881e-4 M.

A: pH is the negative logarithm of H+ ion concentration. pOH is the negative logarithm of OH+ ion conce...

Q: What is the empirical formula for an unknown organic compound, if the compound contains 75% carbon a...

Q: Calculate the percent ionization for bromic acid in a solution that contains 0.00850 M acetic acid a...

Q: A 500.mL buffer solution is prepared by mixing 50. mL of 0.650 M NaOH and 45 mL 0.500 M H3PO4. What...

A: Given, Molarity of NaOH = 0.650 M Volume of NaOH = 50.0 mL Molarity of H3PO4 = 0.500 M Volume of ...

Q: Calculate the value of AH for the rea N2H4 (1) + 02 (g) N2 (g) + 2 NH3 (g) + 3 N20 (g) N20 (g) 2 NH3...

Q: Procedure: Determine the correct weight of the empty graduated cylinder (measuring device). Fill u...

A: Determine the correct weight of the empty graduated cylinder (measuring device). Fill up the cylinde...

Q: Give the scientific definition about the boiling water.

A: the scientific definition about the boiling water is given below.

Q: Select the correct answer which represents the acid ionization constant of H2CO3 O .. [H*][HCO;] Ka ...

A: Given, H2CO3

Q: D. Mass Spectrum 120 55 100 80 60 28 84 41 40 56 27 39 20 42 26 37 38 36 40 43 48 49 50 51 s, 53 54 ...

A: Mass spectrum is the technique used in analytical chemistry for the separation of ions based on the ...

Q: Which of the following statements concerning the determination of crystal structure by x-ray diffrac...

A: All the statements given are correct except. Statement (d) Which means diffraction pattern doesn’t ...

Q: A raindrop has a mass of 50. mg and the Pacific Ocean has a mass of 7.08 × 1040 kg. Use this informa...

Q: НО. HO, ОН CI НО, CI .NH 'N- HOH HN, 'N' *NH NH2 HO OH HO ZIO

Concept explainers

Applications of Molecular Spectroscopy

When light sources pass through the diffraction grating then light splits into different wavelengths. The light source produces two types of patterns that are shown as destructive and non-destructive. The light source is in the form of quanta that is quantitation.

Question

Data Table 3: Complexometric Titration of Soft Water

5 ml of water

1ml of buffer

	Hard Water Trial 1	Hard Water Trial 2	Hard Water Trial 3
Initial Syringe Reading (mL)	1ml	1ml	1ml
Final Syringe Reading (mL)	77ml	79ml	75ml
Volume of EDTA Consumed (mL)	.23ml	.21ml	.25ml
Water Hardness ppm CaCO₃(mg/L)

Average ppm CaCO₃ (mg/L):

Expert Solution

This question has been solved!

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

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 1 images

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

Data Table 1: Complexometric Titration of Hard Water 6ml of water used (5ml of hard water and 1ml of buffer) Hard Water Trial 1 Hard Water Trial 2 Hard Water Trial 3 Initial Syringe Reading (mL) 1ml 1ml 1ml Final Syringe Reading (mL) 0.55ml .50ml .33ml Volume of EDTA Consumed (mL) 0.45ml .50ml .77ml Water Hardness ppm CaCO3 (mg/L) Average ppm CaCO3 (mg/L): photo shows equation that needs to be used to solve
Data Table 3: Complexometric Titration of Soft Water 6ml of water used (1ml of buffer and 5ml of soft water) Hard Water Trial 1 Hard Water Trial 2 Hard Water Trial 3 Initial Syringe Reading (mL) 1ml 1ml 1ml Final Syringe Reading (mL) 77ml 79ml 75ml Volume of EDTA Consumed (mL) .23ml .21ml .25ml Water Hardness ppm CaCO3 (mg/L) Average ppm CaCO3 (mg/L):
A commercial lab received a batch of industrial wastewater samples for analysis. Johnplans to test water hardness of these unknown samples. Prior to complexometric titration,the titrant, EDTA solution needs to be standardized. A 50.00 mL of 5.67 x10-3 M Ca2+standard solution required average of 38.10 mL of unknown EDTA solution to reach itsend point. Based on titration information recorded, work out the correct molarity of EDTAsolution.
Data Table 2: Complexometric Titration of Tap Water photo shows equation to find water hardness 6 ml of water used (5 ml of tap water 1ml of buffer) Hard Water Trial 1 Hard Water Trial 2 Hard Water Trial 3 Initial Syringe Reading (mL) 2ml 2ml 2ml Final Syringe Reading (mL) .61ml .69ml .58ml Volume of EDTA Consumed (mL) 139ml 131ml 142ml Water Hardness ppm CaCO3 (mg/L) Average ppm CaCO3 (mg/L):
please stop rejecting. we pay for this service, so we deserve getting our answer! I do not want to have to put a claim in and report Use acid-base titration to determine theconcentration of:– A strong acid: HCl 0.100 M NaOH (standardized)•0.100 M HCl0.100 M CH3COOH Phenolphthalein is used for endpoint determination– Changes from colourless to pink as a solution becomes more basic• Only need 2-3 drops per titration• pH range: 8.3-10
2,5 ml volume has taken from an “hypothetic” solution which includes (3+) Sb and (3+) Fe and at the titration with 0.1004 N KMnO4, the wasted amount has found as 16,4 mL. The other 2,5 mL that has taken, has reduced with Zn after that, this 2,5 mL solution has titrates with the same KMnO4 solution solution and the wasted amount is 26,5mL. With these datas find the %concentrations of the ions at the solution.
A student used 9.925 x 10-2 mol/L hydrobromic acid to standardize an aqueous solution of potassium hydroxide and obtained the following titration data using phenolphthalein as an indicator: Concentration of HBr used: 9.925 x 10-2 mol/L Volume of HBr used: 25.00 mL Indicator: phenolphthalein Endpoint colour change: colorless to pale pink Table 1: Volume of Potassium Hydroxide Required Burette reading (mL) Trial 1 Trial 2 Trial 3 Final reading 29.28 36.62 43.98 Initial reading 1.78 9.28 16.62 Volume of KOH used (mL) Average of 2 closest values to within 0.10 mL: Questions Complete Inclosed table Write the molecular equation for the reaction that occurs between potassium hydroxide and hydrobromic acid. Calculate the molar concentration, in mol/L, of the aqueous potassium hydroxide.
15. A 300.00 mL solution of 0.00165 M A2B5 is added to a 230.00 mL solution of 0.00380 M C2D3. What is pQsp for A2D5?
A RbOH solution is titrated four (4) times against potassium hydrogen phthalate (KHP; FW=204.224) samples to the Phenolphthalein endpoint. Using the data below, determine the concentration of the RbOH solution? g of KHP Volume of Base Required 0.5373 g 42.49 mL 0.5856 g 43.88 mL 0.5790 g 48.56 mL 0.5856 g 44.60 mL (Report your answer as "mean +/- std dev") M What is the percent relative standard deviation? % What is the 99% Confidence Interval for the concentration of the solution (population mean)?
A sample is analyzed for chloride by the Volhard method. From the following data, calculate the percentage of chloride present:Weight of sample = 6.0000 g dissolved and diluted to 200 mLAliquot used = 25.00 mL AgNO3 added = 40.00ml of 0.1234MKSCN for back titration = 13.20ml of 0.0930M
You have performed an iodimetric titration using a commercial vitamin C tablet. Based on the following information below, calculate the %(w/w) of vitamin C(MM=176.16 g/mol) in the tablet: Mass of tablet dissolved in 250.0 mL: 5.422 g Aliquot volume of sample titrated: 25.00 mL Concentration of KIO3: 0.023 M Final burrette volume: 41.31 mL Initial burrette volume: 8.89 mL Blank volume: 0.14 mL