Coming home after the end of the winter semester, you find that your family's swimming pool has not be maintained well. In particular, it has no chlorineresidual at all, and it is full of tree leaves. You buy a concentrated chlorine solution (1% as Cl2) and begin to meter it into the pool at a rate of 100 mL/hour. Thepool has a volume of 200 m. You also add new water, and remove in-pool water, at a rate of 3.785 L/minute. The chlorine reacts with the organic matter in thewith a rate of 0.5/hour. How long will it take to get the Cl, residual up to 1 mg/L if you add Clz continuouslyT. Drag n' Drop here or Browse

Solution - According to the question - Given - take whole swimming pool as a control volume. given…

Answered: Coming homo after the end of the winter…

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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Sodium formate, NaCHO2, can be titrated in neutral solution according to the equation:CHO2- + MnO4- + H2O → MnO2 + CO2 + OH-.If 10.00 ml. of the KMnO4 are equivalent to 0.08161 gram of sodium formate by this method, what is the value of each milliliter in terms of millimoles of H2O2?
A chemist was asked to determine the molecular weight of Compound J. They created a solution with 20 percentage w/w concentration from solid Compound J, with a density of 1.40 g/mL. From this solution, a 10 μL aliquot was taken and mixed with 190μL of reagent and water. This was then analyzed and had 5.0 e-4 M compound J. What is the concentration in molarity of the 20% w/w solution? How do you determine the molecular weight of said compound?
A researcher wants to determine the concentration of beta-carotene in carrots. She obtains a 0.558 M stock solution of beta-carotene and creates Dilution A by transferring 15.00 mL of stock solution into a new container and diluting it with solvent to a final volume of 90.00 mL. She creates Dilution B by transferring 53.00 mL of stock solution into a new container and diluting it with solvent to a final volume of 80.00 mL. She creates Dilution C by transferring 2.00 mL of Dilution B into a new container and diluting it with solvent to a final volume of 15.00 mL. What is the concentration in mM of Dilution C? use one decimal place
(c) Cl2(g) + KBr(aq) → KCI(aq) + Br2(g) O combination O decomposition O displacement molecular equation Cl2(g) + reducing agent KBr(aq) KCI(aq) + Br2(g) oxidizing agent total ionic equation | Cl2(g) + CI (aq) + net ionic equation K*(aq) + Br (aq) K+(aq) + Br2(g) Cl2(g) + K+(aq) + Br (aq) → K+(aq) + CI (aq) + | Br2(g)
When mixing sodium chlorate solution (volume 1.0L, density 1.1614 g/ml, mass fraction 22%) with hydrochloric acid( 2L, density 1.0980 g/ml, mass fraction 20%) an antiseptic substance was released. Write and balance the Mentioned reaction and name this anticipatic substance.
1. A students transfers 0.75 millimoles (mM) of baking sode (NaHCO3) in 400 mL of water, has the solution mixed so that the mineral dissolved completely and then fills more water in the volumetric flask until it reads 1.00 liter. Calculate the concentration of baking soda in the solution and express it in (a) mM/L; (b) g/L; (c) mg/L; (d) meq/L; (e) Molarity of solution; (f) Normality of solution; and (g) mg/L as CaCO.
For hospital patients suffering from dehydration, it may be necessary to provide them with intravenous fluids. A common IV bag used for this purpose contains 4.00% (wv) glucose (MW = 180.16 g/mole) and 0.450% (w/v) of sodium chloride (MW = 58.44 g/mole). If you were attempting to prepare a standard 1.00 L bag of this solution starting from a stock solution containing 30.0% (w/v) glucose and 3.38% (w/v) sodium chloride, how many mL of the stock solution would you need? Hint: Only one calculation is needed.
A solution of NaOH(aq) was standardized by titration using oxalic acid (H₂C₂O4) as the primary standard. The following data was collected: Mass of H₂C₂O4(s) used = 1.02 g Volume of NaOH(aq) used = 40.6 ml. Calculate the concentration of the NaOH(aq)
A 547 mLmL NaClNaCl solution is diluted to a volume of 1.45 LL and a concentration of 3.00 MM . What was the initial concentration? Express your answer with the appropriate units.
27 One way in which the useful metal copper is produced is by dissolving the mineral azurite, which contains copper(11) carbonate, in concentrated sulfuric acid. The sulfuric acid reacts with the copper(II) carbonate to produce a blue solution of copper (11) sulfate. Scrap iron is then added to this solution, and pure coppe metal precipitates out because of the following chemical reaction: Fe(s) + CuSO₂(aq) -Cu(s) + FeSO (aq) Suppose an industrial quality-control chemist analyzes a sample from a copper processing plant in the following way. He adds powdered iron to a 350 ml copper(II) sulfate sample from the plant until no more copper will precipitate. He then washes, dries, and weighs the precipitate, and finds that it has a mass 122. mg. Calculate the original concentration of copper(11) sulfate in the sample. Be sure your answer has the correct number of significant digits. 02 0.9 15
A researcher wants to determine the concentration of beta-carotene in carrots. She obtains a 0.661 M stock solution of beta-carotene and creates Dilution A by transferring 26.00 mL of stock solution into a new container and diluting it with solvent to a final volume of 94.00 mL. She creates Dilution B by transferring 43.00 mL of stock solution into a new container and diluting it with solvent to a final volume of 75.00 mL. She creates Dilution C by transferring 6.00 mL of Dilution B into a new container and diluting it with solvent to a final volume of 15.00 mL. What is the concentration in mM of Dilution C?

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