Q: A 50.00-mL aliquot of solution containing 0.358 of MgSO4 (FM 120.37) in 0.500 L required 38.08 mL of…
A: Solution - According to the question - Given - Total Moles of Mg2+ = moles of MgSO4 = mass/molar…
Q: (3) How many milliliters of 0.070 M EDTA are required to react with 25.0 mL of 0.0200 M Sr²*?
A: Moles of EDTA= 0.070 ×V Moles of Sr+2 =25 ×0.02 =0.5 mMol As the moles of EDTA=Moles of Sr+2 At…
Q: 0.7980-g sample of chloride was titrated using the Fajans method and required 45.32 mL of 0.1046 M…
A: Given that: [AgNO3] = 0.1046M Volume = 45.32ml = 45.32ml×1L/1000ml = 0.04532 L Molarity = moles ÷…
Q: A 50.00 mL sample of hard water is titrated with 0.0102 M EDTA solution (volume of blank titration=…
A: Given data,Volume of sample=50mLMolarity of EDTA=0.0102MVolume of EDTA=22.44mLVolume of EDTA for…
Q: 12Electrodes of the first kind have poor precision The answer is either true or false 16Voltammetry…
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Q: A deepwell water sample of 100 mL was titrated with 0.010 M EDTA at pH 12 and consumed 31 mL.…
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Q: A 49.10 mL aliquot from a 0.500 L solution that contains 0.530 g of MnSO4 (MW=151.00 g/mol) required…
A: Solution -
Q: Calculate the pCa for the titration of 100 ml of 0.050 M Ca 2+ at pH = 8 with 0.1 M EDTA After…
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Q: Suppose that you use 0.75 g of iron in this experiment. What is the minimum volume of 1.5 M CuSO4…
A: Given following balanced Chemical equations - a) using eq. (5-1) - Fe(s) + Cu2+(aq) -> Fe2+(aq)…
Q: 0.257600 grams was dissolved in acid and was diIuted to 250mL. From the sample, 100mL aliquot was…
A: The question is based on the concept of quantitative estimation . we have to calculate percentage…
Q: 5. 20 mL of tap water sample is taken in a conical flask and 1 mL of pH 10 buffer and 3 drops of…
A: Hard water is the water that contains dissolved Ca2+ and Mg2+ ions. These ions react with fatty…
Q: Titration of the I2 produced from 0.1107 g of primary-standard KIO3 required 27.43 mL of sodium…
A: Given: Mass of KIO3 taken = 0.1107 g. Volume of Na2S2O3 required = 27.43 mL = 0.02743 L…
Q: Determine the molar concentration of an EDTA solution of which 26.44 mL were required to titrate a…
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Q: A limestone sample weighing 400 mg was dissolved in acid treated with excess sodium oxalate. The…
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Q: (ii) 21 mL of standard hard water containing 14 g of CaCO, per litre required 25 mL EDTA solution…
A: The water is that is used for various applications is obtained from various sources such as lakes,…
Q: An EDTA solution is standardized against high-purity CaCO3 by dissolving 0.3982 g CaCO3 in…
A: Given, CaCO3=0.3982 g Volume of EDTA =38.26 mL molecular weight of EDTA= 292.24 g/mol
Q: 1. A solution contains 1.238 mg of CoSO4 (155.0 g/ mol) per milliliter. Calculate the volume of…
A: Here we are required to find the molar concentration of EDTA.
Q: List four methods of detecting the end-point of an EDTA titration and explain each.
A: Titration is a method of analyzing an unknown sample with the help of a known sample using an…
Q: 6. 20 mL of tap water sample is taken in a conical flask and 1 mL of pH 10 buffer and 3 drops of…
A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: A 50.0 mL of 0.0400 M EDTA was added to 20.0 mL of 0.0800 M Cu(NO3)2 at pH 5.00. The Kifor CuY- is…
A: GIVEN: Volume of EDTA = 50.0 mL Concentration of EDTA = 0.0400 M Volume of Cu(NO3)2 = 20.0 mL…
Q: Describe what is done in a displacement titration and give an example.
A: In displacement titration a complex is formed as analyte displaces a reagent, and amount of…
Q: 5.00 mL of a water sample was titrated for hardness with 4.15 mL of 0.0200 M EDTA. How many moles…
A: Given data,Molarity of EDTA=0.02MVolume of EDTA=4.15mL=0.00415L
Q: The Kjeldahl procedure was used to analyze 256 L of a solution containing 37.9 mg protein/mL. The…
A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…
Q: Calculate the volume of 0.08640M EDTA needed to titrate a 25.00-mL aliquot of this solution.
A: Given, Mass of cobalt sulfate present in the solution = 1.694 mg = 0.001694 g Molar mass of cobalt…
Q: Consider the titration of 25.00 mL of 0.03555 M Co2+ by 0.02784 M EDTA at pH 10.00. Kf is 1045.…
A: The amount of EDTA required to reach the endpoint of the titration is determined as shown below.…
Q: Calculate the pSr value for 10 mL of EDTA in the titration of 50 mL of 0.02 M Sr2 + in an…
A: In the titration reaction, the pH of a buffer determines whether the buffer is acidic or basic. The…
Q: A deepwell water sample of 100 mL was titrated with 0.010 M EDTA at pH 10 ( with Mg-EDTA pH 10…
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Q: Calculate the volume of 0.0602 M EDTA needed to titrate 11.63 mL of 0.0725 M Mg(NO3)2.
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Q: Calculate a titration curve for 10.0 mL of 1.00 mM Ca?* with 1.0 mM EDTA at pH 9.0.
A: Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: You should determine how you will make the following solutions: 1- 0.8 M NAOH + 20 mM EDTA: Make 250…
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Q: This is an exercise from a lab. The data is entered in the spaces and I am asked to find the…
A: Yes. You are correct. Molarity and average molarity of NaOH is correct as u filled in the given…
Q: Find the pCl in a 20 ml of a 0.10 M Cl- solution after addition of 0,10, 20, and 30 ml of 0.10 M…
A: Given: molarity of Cl-=0.10 Mmolarity of AgNO3=0.10 MKsp=1.0×10-10
Q: Calculate the volume of 0.0500M EDTA needed to titrate 26.37 mL of 0.0741M Mg(NO3)2 Molar Mass:…
A: Given: Molarity of Mg(NO3)2= 0.0741 M Molarity of EDTA = 0.0500 M The volume of Mg(NO3)2 =26.37 mL…
Q: A 0.9092-g sample of a wheat flour was ana- lyzed by the Kjeldahl procedure. The ammonia formed was…
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Q: What is the MW of calcium carbonate?
A: Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: 1.What the difference between primary and secondary standard substances? 2.Calculate the volume of…
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Q: What is the minimum number of changes of 500 mL dialysate required to reduce a 100 mL sample at 1M…
A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…
Q: Calculate pPb of a solution formed by adding 25 mL of 0.1 M EDTA solution to 12.5 mL of 0.2 M Pb2+…
A: Given: Concentration of EDTA = 0.1 M Volume of EDTA solution =25 mL Concentration of Pb2+= 0.2 M…
Q: Determine the iodine value of an unknown sample of oil weighing 0.21g if 26ml and 12 ml of 0.1100N…
A: The given information is: Mass of unknown sample of oil = 0.21 g Normality of sodium thiosulfate =…
Q: 46. A multivitamin sample has a label claim of 500 mg ascorbic acid (176.12 g/mol). According to…
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Q: Calculate %Na2CO3 in the sample.
A: Na2CO3 reacts with 2 mol of HCl to generate 2 mol of NaCl along with CO2 and H2O. So, 1 mol Na2CO3 :…
Q: In the titration of 25.00 mL of a water sample, it took 20.840 mL of 4.350x 10−3 M EDTA solution to…
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Q: Water samples near the Sangonomiya Shrine was titrated against 0.01000 M EDTA to test its water…
A: First case: 50 ml water+ NaOH required 13.5 ml of 0.0100 M EDTA Second case: 50 ml water required…
Q: A 50 ml portion of test water required 7.46 ml of 0.02752 M EDTA to reach the endpoint. What is the…
A: Given, Volume of water = 50 ml Molarity of EDTA = 7.46 ml Volume of EDTA = 0.02752 M Formula Used,…
Q: Calculate the volume of 0.0500 M EDTA needed to titrate 29.13 mL of 0.0598 M Mg(NO3 )2. Use a MW…
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Q: 2. The standard Winkler method uses sodium iodide and sodium azide to be added at the same time as…
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Q: Calculate the pCa for the titration of 100 ml of 0.050 M Ca²+ at pH = 8 with 0.1 M EDTA After…
A: The balanced equation for the reaction of Ca2+(aq) and EDTA, Y4-(aq) is: Ca2+(aq) + Y4-(aq) ⇌…
Q: Calculate the pCa for the titration of 50 ml of 0.02 M Ca2* at pH = 8 with 0.4 M EDTA after addition…
A: Given the solution is buffered at pH 8 At pH 8, αY4-= 4.2*10-3 Ca2+ + Y4- ⇌ CaY2- ; Kf' = αY4-* Kf…
Q: A 567.9 mg sample containing Na2CO3, NaHCO3 , NaOH and inert material was dissolved and titrated…
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- A deepwell water sample of 100 mL was titrated with 0.010 M EDTA at pH 12 and consumed 31 mL. Calculate the Calcium content of the water sample in mg/L.A 50 ml portion of test water required 7.46 ml of 0.02752 M EDTA to reach the endpoint. What is the water hardness in terms of ppm CaCO3?A solution contains 1.694 mg of CoSO4 per milliliter. Calculate the volume of 0.08640M EDTA needed to titrate a 25.00-mL aliquot of this solution.Molar Mass: CoSO4 = 155.0 with solution please :))
- Calculate the volume of 0.0500 M EDTA needed to titrate 29.13 mL of 0.0598 M Mg(NO3 )2. Use a MW value in 4 decimal places.Since EDTA titration must be done at pH 10, which procedure will help in removing the HCl in the CaCO3 preparation step? Dehydration of HCl at hot plate Simply add buffer 10 solution Filter the solution with asbestos filter pad Neutralize the solution with NaOH pellet and filterA water sample having a hardness of 225 mg CaCO3/L will require how many milliliters of a 0.125 M EDTA solution in a titration analysis?
- Determine the molar concentration of an EDTA solution of which 26.44 mL were required to titrate a sample containing 287.4 mg of primary standard CaCO3.What is the effect of adding DNOC?Calculate the volume of 0.0500M EDTA needed to titrate 26.37 mL of 0.0741M Mg(NO3)2Molar Mass: Mg(NO3)2 = 148.3 with solution please :))
- The Kjeldahl procedure was used to analyze 256 L of a solution containing 37.9 mg protein/mL. The liberated NH3 was collected in 5.00 mL of 0.033 6 M HCl, and the remaining acid required 6.34 mL of 0.010 0 M NaOH for complete titration.Calculate the amount of solid in grams you would need to measure to prepare 50.0 mL of 0.100M sodium acetate buffer (MW 136.08).In the titration of 50 mL 0.02 M Sr² with 0.02 M EDTA in a buffered medium at titrated pH 11, calculate the psr value for the addition of 10 mL EDTA