A 500.0 μL aliquot of a ferric chloride solution is added to a 50.00 mL volumetricflask. To this flask is added 10 mL of 2M sodium acetate, 2 mL of 10 wt%NH4OCI, 3 mL of 5 wt% 1,10-phenanthroline, and enough DI water to fill theremaining volume of the flask for a total volume of 50.00 mL.Based on the UV-Visible light absorbance, the concentration of [Fe2+]=2.6 ppm.What is the concentration of Fe3+ ion in the original ferric chloride solution?O 3.85 X 103 ppmO 260.0 ppmO 260 ppmO 130 ppm

The concentration of Fe3+ in the original ferric chloride solution can be calculated as follows:…

Answered: A 500.0 μL aliquot of a ferric chloride…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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||| 43°F Sunny O STATES OF MATTER Calculating mass percent composition A chemist mixes 26. g of chloroform with 23. g of acetone and 32. g of acetyl bromide. Calculate the percent by mass of each component of this solution. Round each of your answers to 2 significant digits. component chloroform acetone acetyl bromide Explanation Check mass percent 7% 0% 0% x10 X Q Search 1/3 © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center Accessibility Jessica V olo Ar 0 8 1 8:27 PM 4/26/2023
ST5G.1- What is the approximate solubility [in units of MILLImolar] of an ionic compound M2X3 with ions M3+ and X2- if Kg = 5.6*10-7? The values for Kg and ion charges may be %3D unrealistic for the sake of problem-solving variety and ease-of-use in Canvas. Type your answer..
What is a colligative property
A 25mL volumetric pipet is used to deliver a sample of the stock solution marked “0.6000M X2SO4” into a 100mL volumetric flask. Distilled water is added to the flask until it is about 3/4thfull, the solution is mixed well, then more water is added to fill it up to the calibration mark, then it is mixed again. Calculate the concentration of X+ion in the dilute solution made above.
An organic chemistry student isolates 738 mg of salicylic acid (SA) and decides to use methanol in an attempt to purify it by recrystallization. Use the following information to calculate the maximum amount (in mg) that can purified from the crude product. SA solubility in methanol: o°C = 41.3 g/100 mL 56 °C = 64.5 g/100 mL
6. A stock solution containing 25% w/v of chlorhexidine is used to prepare an antiseptic such that when the antiseptic is diluted 1 in 25, a 1 in 500 wash solution is obtained which is ready for use by the patient. What volume (ml) of the stock solution is required to prepare 5 litres of the antiseptic to fulfil a bulk manufacturing order?
5.35g of salicylic acid added to 7.75mL of methanol followed by 10 drops of sulfuric acid,H2SO4 and the resulting mixture was refluxed for 30 min. If 3.85mL of methyl salicylate were distilled from the mixture. What's the percent yield? Answer to 1 decimal place
Transfer 0.5 mL phenolphthalein to a flask 25 mL KHP. Then transfer 13.2mL NaOH in the KHP that make it be pink. As the picture shows. Now, show a complete calculation for the concentration of the sodium hydroxide solution.
DAY 1 Preparation of Aspirin Using tap water, set up a boiling water bath in a 400ml beaker. Residual solubility. The solubility of acetylsalicylic acid is 0.25 g per 100 ml of water. Keep track of how much DI water is added to the aspirin during filtration and recrystallization. Mix the starting materials and heat. Using the electronic balance, weigh about 2 g (± 0.01 g) of salicylic acid (caution: this is a skin irritant) in a 125 – ml Erlenmeyer flask. Cover the crystals with 4 – 5 ml of acetic anhydride. (caution: acetic anhydride is a severe eye irritant --- avoid skin and eye contact). Swirl this reaction flask to wet the salicylic acid crystals. Add 5 drops of conc H2SO4 to the mixture and gently heat the reaction flask in a hot water bath (60-70oC) for 5 – 10 minutes. (caution: H2SO4 causes severe skin burns). Set up an ice water bath in a 250ml beaker. Cool to crystallize the aspirin. Remove the reaction flask from the hot water bath and add 10 ml of deionized ice…
The weight percent %W/W of a saturated solution of potassium chloride in 200CO was: (NOTE: the solution contain 298g/L and D=1.17g/cm3) * 40.66%W/W W/W% 75.20 W/W% 25.47 10.54%W/W
HW1.jpg > A liquefied mixture of n-butane, n-pentane, and n-hexane has the following composi- tion in percent: n-C,H10 50 n-C,H12 30 n-C,H14 20 For this mixture, calculate: (a) The weight fraction (b) The mole fraction (c) The mole percent of each component (d) The average molecular weight II
A pipet is used to transfer 5.00 mL of a 1.25 M stock solution in flask “S” to a 25.00-mL volumetric flask “B,” which is then diluted with DI H2O to the calibration mark. The solution is thoroughly mixed. Next, 3.00 mL of the solution in volumetric flask “A” is transferred by pipet to a 50.00-mL volumetric flask “B” and then diluted with DI H2O to the calibration mark. Calculate the molarity of the solution in volumetric flask “B.”

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