20.0 mL water sample was titrated with 0.0100 M EDTA solution that required 14.50 mL for CaCO3 hardness. The total hardness of the water sample in terms of CaCO3 (MW = 100.1 g/mole) in parts per million is _________? Note: Express final answer using least number of significant figures.

Q: normal concentration of KMnO4

A:

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A: Formula:-                      PH=12 pKw - 12 pKb- 1210g C                     pKa of alum…

Q: Please don't provide handwritten solution

A: The objective of the question is to calculate the concentration of reducible iodine.

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A: Alkalinity can be found in many process. One of them is mg/L of calcium carbonate. This can be done…

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A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: A solution of 0.04M hydroiodic acid is utilized to titrate 250mL of 7.0x10-2M potassium lactate.…

A: The reaction between HI and potassium lactate is;   HI+Me-CH(OH)COO-K+→Me-CH(OH)COOH+KI HI  a strong…

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Q: Sample Site C Final reading (mL) 1 accurate titration 2nd accurate titration 41.00 mL 40.10 mL…

A:

Q: 2. 15.0 mL HNO3 was titrated to equivalence with 60.0 mL of 0.020 NAOH, What is the concentration of…

A: Given :  Volume of HNO3 = 15.0 mL  Molarity of NaOH = 0.020 M  Volume of NaOH = 60.0 mL  To…

Q: For Ca2+ and Mg2+ determinations in a tap water sample, two 50 mL aliquots were pipetted and placed…

A: Volume of water samples  = 50 mL  Concentration of EDTA4- = 5.07*10-3 mol/L Volume of EDTA4- used…

Q: Calculate the solubility at 25 °C of AgBr in pure water and in 0.19 M NaI. You'll probably find some…

A: Temperature = Molarity of NaI = 0.19 M

Q: You are given a 1 M MgSO4 solution and a 0.5 M EDTA solution. Calculate how to make a 250 mL…

A: MgSO4 = 6.25 ml EDTA = 0.50 ml  Water = 243.25 ml

Q: 7 1/1 point Find the solubility of calcium oxalate in pure water and in a solution containing 0.20 M…

A: Solubility refers to the maximum amount of a solute that dissolves in a solvent, usually expressed…

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Q: A student performed three aqueous layer titrations in Part 1 using a standard sodium thiosulfate…

A: The objective of the question is to find the number of moles of thiosulfate used in the second…

Q: Consider the titration of 300.0 mL of 0.500 M NH3 (Kb = 1.8 x 10-5) with 0.500 M HNO3. What is the…

A: given- volume of NH3 = 300 ml volume of HNO3 = 248 ml conc. of NH3 = 0.500 M conc. of HNO3 = 0.500 M…

Q: A 115.0 mL sample of 0.120 M methylamine ( CH3NH2; Kb = 3.7 x 10-4) is titrated with 0.240 M HNO3.…

A:

Q: A 53.0 -mL sample of a 14 % (m/v) H2SO4 solution is added to water to give a final volume of 440 mL.…

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Q: An unknown Ca solution was prepared by weighing a 2.122 g sample, dissolving it in HCI and then…

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Q: Copper is known to be toxic to fish, and in particular, the Cu²+ species shows greatest toxicity. a.…

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Q: 5. Value for Kw at 50.00°C is 5.470 x 10-14. Calculate the pKwat 50.00°C. 6. Value for Kw at…

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Q: An unknown Ca solution was prepared by weighing a 2.122 g sample, dissolving it in HCl and then…

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Q: When doing a titration, it is helpful to know approximately the volume of titrant that will be…

A: The equation to calculate the unknown value from known value is given by, M1V1=M2V2 where M is the…

Q: In the titration of 25.00 mL of a water sample, it took 20.690 mL of 4.050x 10−3 M EDTA solution to…

A: Number of moles of EDTA is determined as follows,

Q: Jessica made 300 mL of primary standard using 2.35 g of sodium carbonate. She then conducted a…

A: Given - Mass of primary standard, sodium                 carbonate = 2.35 g and its volume is = 300…

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A: Concentration of stock solution=0.174 g10 mL=0.0174 g/mL

Q: 20. Assume you are using 0.1 M EDTA to titrate a 0.2 M Ca* solution (25 mL) at pH 10.0. V molarity…

A: Calculation of no. of mol of Ca2+: n=Molarity×Volume=0.2 mol/L×25×10-3 L=5×10-3 mol Calculation of…

Q: Final Aqueous Layer Burette Reading Initial Aqueous Layer Burette Reading Final Thiosulfate Burette…

A: For third titration,Initial Thiosulfate burette reading = 6.83 mLFinal thiosulfate burette reading =…

Q: Construct the data tables for the first and second  derivative plots from 21.1 mL to 22.0 mL only.…

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Q: What was the volume of 6.12 M acetic acid HC2H3O2 needed to prepare the 250 mL acetic acid/acetate…

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Q: Question 4 Titration video step 3 question: NaOH flush out H2O True or False, before you do the…

A: 2) Yes it is true

Q: on 13 óf 43 Consider the neutralization reaction 2 HNO,(aq) + Ba(OH), (aq) → 2 H,O(1) + Ba(NO,),(aq)…

A:

Q: Your overall error in a titration will depend on the combined error from both the standardization…

A: Solutions- Given data- standardization had a relative error of 4.42% and  unknown runs gave a mean…

Q: is

A: KD is the distribution coefficient that indicates the amount of sample taken dissolved in the two…

Q: According to the following figure, an adequate end-point for the titration of calcium with EDTA…

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Q: Calculate the pNO; for each ion in a solution that is 3.0×10-3 M in Zn(NO;)2 and 750 ppm Cu(N0;)2.…

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Q: The titration curve for the titration of a mixture of KI and KCl with AgNO3 is shown. Identify each…

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Q: You want to design a pH 7.20 buffer using solid NaCIO and 500. mL of 0.25 M HCIO. What ratio of base…

A: We have to calculate the ratio of base to acid for the buffer

Q: You titrate 50.00 mL of hard water with 14.86 mL of 0.0100 M EDTA solution. How many moles of Ca²+…

A:

Q: Calcium in a 50-L serum sample is titrated with 1.85 x 10-4 M EDTA solution, requiring 2.5 mL. What…

A: Given, 50 micro Litre serum sample is titrated with 2.5 mL of 1.85 x 10-4M EDTA solution. What is…

Q: If it takes 12.24 mL of 1.0 M HCl solution to titrate 5.0 mL of saturated borax solution, what is…

A: Given data, 5.0 mL saturated solution of borax is titrated with 12.24 mL of 1.0 (M) HCl solution. We…