The benzoic acid extracted from 105.6 g of catsup required a 14.67 mL titration with 0.0514 N NaOH. Express the results of this analysis in terms of percent sodium benzoate. MW=144.10 g/mol Answer: % Na benzoate = Blank 1%

Q: 3. A 0.1093-g sample of impure Na2CO3 was analyzed by the Volhard method. After adding 50.00 mL of…

A: Given , mass of impure Na2CO3=0.1093 gVolume of AgNO3= 50.00 mLConcentration of AgNO3=0.06911…

Q: The Ksp value of CaSO4 is 2.4 x 10-5. If a professor made 1500 mL of a CaSO4 solution, then how many…

A: Given :  Ksp of CaSO4 = 2.4 x 10-5  Volume of solution= 1500 ml

Q: 1. Follow the steps below to calculate the concentration of CACO3 (in units of ppm or mg/L) based on…

A: To determine: a) Moles of titrant added to the solution b)Moles of Calcium carbonate titrated…

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Q: 3. The ethyl acetate concentration in an alcoholic solution was determined by diluting a 10.00-mL…

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Q: 4- Titrimetric methods : are quantitative methods that are based on determining the mass of a pure…

A: This question is related to titrimetric methods where a solution of a known concentration is used to…

Q: A 0.1500-M solution Ba(OH)2 was used to titrate a cleaning solution containing acetic acid. A…

A: Answer: Given data: Vsample=50mL VBa(OH)2=43.40mL CBa(OH)2=0.15M

Q: Starting with 2.0 g of hand sanitizer in 10 mL of methanol (density of methanol = 0.791 g/mL), the…

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Q: If you titrate 50 mL of a sample with 0.06 N EDTA and the titration takes 12.4 mL of EDTA to reach…

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Q: 0.49850 g of CaCO3 (100.0869 g/mol) is dissolved in HCl solution and diluted to 500 mL. A 25 mL…

A: Given, mass of CaCO3 = 0.49850 g volume of solution = 500 mL Volume of tap water = 100 mL EDTA…

Q: A solution of Ca(OH)2 (FM = 74.09) was used in determining the equivalent weight of an unknown acid.…

A: Given data contains, Mass of KHP is 0.1235g. Volume of KHP is 7.45mL. Mass of unknown acid is…

Q: PRE-LAB QUESTIONS 1. Calculate the molarity of a 6.15% (w/v%) sodium hypochlorite (NAOCI) solution.…

A: A question based on quantitative analysis, which is to be accomplished.

Q: A student trying to determine the Ksp for Calcium hydroxide used 10.15 mL of 0.050 M HCl to…

A: The solubility equlibrium of Calcium hydroxide is Ca(OH)2 ↔ Ca2+ + 2 HO-   Given VHCl = 10.15 SHCl…

Q: A 15.00 g sample containing mixed alkali and other inert components was dissolved and diluted to 300…

A:

Q: Determine the total hardness of water (ppm CaCO3; MM: 100.09 g/mole) if 100.0mL sample of drinking…

A: Given data  Volume of EDTA = 38.41 mL Molarity of EDTA = 4.65 x 10-3 M Volume of water sample = 100…

Q: In one trial determination of the concentration of NaOCl in the diluted bleach sample, 10.00 mL of…

A: Given: The volume of NaOCl = 10 mL The volume of Na2S2O3 = 29.82 mL Molarity of Na2S2O3 = 0.0195 M

Q: A 20-mL solution of 0.0659 M AgNO3 was titrated with 20 mL of 0.0509 M NaCl (Ksp = 1.8x10-10).…

A: 20 mL of 0.0659 M AgNO3 solution was titrated with 20 mL of 0.0509 M NaCl solution .The Ksp is…

Q: a. What is the molarity of the titrant?  The chemist obtained a 3.150 g sample and dissolved it in…

A:

Q: In the standardization of HCl using pure anhydrous sodium carbonate as primary standard for methyl…

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Q: . A 1.2-gram sample of lanolin was treated with Wij’s solution and excess potassium iodide solution.…

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Q: 30.0 mL of 0.400 M Zn²⁺ is mixed with 100.0 mL of 0.200 M F⁻ (Ksp ZnF₂ = 0.030). In the mixture you…

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Q: a 10g soil sample was gently stirred with 250 ml of 1.0 M CH3COO(NH4) solution for 24 h and…

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Q: 2MnO4— +  5C2O42— + 16H+ 2Mn2+ + 10CO2 + 8H2O A solution of KMnO4 was prepared and 50.99 mL was…

A: Dear student, As you have asked multiple question but according to guidelines we will solve first…

Q: A solution contains a mixture of Na2CO3 and NaOH. Using phenolphthalein indicator 25 mL of mixture…

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Q: Suppose that a volume of 5.0 cm³ of acetic anhydride (density = 1.08 g·cm⁻³, molar mass = 102.087…

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Q: In the conductivity test, _____________________ is going to result to a brightly lit light bulb. a.…

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Q: Please answer as soon as possible. Thank you! A 10.000-g cocoa powder sample was dissolved in…

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Q: A solution of Ca(OH)2 (FM = 74.09) was used in determining the equivalent weight of an unknown acid.…

A: The number of moles of KHP can be determined as follows: Number of moles of KHP = Given mass of…

Q: A Mn2* substock solution was prepared by pipetting 6.00 mL of the stock solution into a 200.00 mL…

A: Given data are - concentration = C1 = ? concentration = C2 = 0.18 M volume = V1 = 6.00 ml. volume =…

Q: Following the monograph procedure, determine the weight in grams of sodium carbonate (MW-106 g/mol)…

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

Q: Following titration analysis, a sample of a fruit juice was found to contain 8.9 mg cm-3 ascorbic…

A: Given data: Amount of ascorbic acid in the sample = 8.9 mg/cm3 Molecular weight of ascorbic acid =…

Q: A 0.1093-g sample of impure Na2CO3 was analyzed by the Volhard Method. After adding 50.00 mL of…

A: Reaction taking place is, Reaction of KSCN with excess AgNO3 is,

Q: V Juce asked to determine the percentages of citric acid in the freshly squeezed and bottled lemon…

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Q: If a 0.3 M solution of NaOH was used to titrate 100 mL of 0.3 M solution of CH3COOH (Ka =1.8 x 10…

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Q: the molar concentration of the acetic acid solution?

A:

Q: standard solutions (mg/L, n = 5) are converted to azo dye and the slope of the calibration curve is…

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Q: Suppose you are given 0.0856ppm to be the concentration of dissolved lead found in pond water after…

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Q: Three more samples of KHP (GFW= 204.23g/mole) weighing 0.8001g, 0.7001, and 0.7666g were titrated…

A: A) (a) 0.8001 g of KHP Number of moles of KHP = 0.8001 / 204.23…

Q: Mass solute needed to prepare 0.500L of 0.2 M NaCO3 from a solid NaCO3 with a purity of 92.0wt%

A: The total mass needed to prepare 0.500 L of 0.2 M NaCO3 is calculated as shown in equation (1) where…

Q: Following the monograph procedure, determine the weight in grams of sodium carbonate (MW-106 g/mol)…

A: The volume of H2SO4 = 21.3 mL. The mass of Na2CO3 = 1.1142 g.

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Q: NAOH (ag) + HCI NaCl (ag) + H20 (1) (aq) -> 31.88 mL of 0.09951 M NaOH was used to titrate 7.00 mL…

A: We will calculate moles of NaOH , then moles of HCl and at last molarity of HCl.

Q: You were tasked to determine the percentages of citric acid in the freshly squeezed and bottled…

A: Citric acid+ sodium hydroxide --->sodium citrate+ water Molarity of NaOH = 1.10M Moles of NaOH=…

Q: A commercial vinegar was analyzed by titration to determine the percent acetic acid. Briefly, 10.00…

A: A commercial vinegar was analyzed by titration to determine the percent acetic acid.