4.29 Calculate each of the following quantities:(a) Volume (L) of 2.050 M copper(II) nitrate that must be dilutedwith water to prepare 750.0 mL of a 0.8543 M solution)Volume (L) of 1.63 M calcium chloride that must be diluted withwater to prepare 350. mL of a 2.86x10 M chloride ion solution(c) Final volume (L) of a 0.0700 M solution prepared by diluting18.0 mL of 0.155 M lithium carbonate with water

Solution stoichiometry involves the calculation of concentration of solutions in the given…

Answered: 4.29 Calculate each of the following…

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter15: Acid–base Equilibria

Section: Chapter Questions

Problem 98AP

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To lift fi ngerprints from a crime scene, a solution of silver nitrate is sprayed on a surface to react with the sodium chloride left behind by perspiration. What is the molarity of a silver nitrate solution if 45.0 mL of it reacts with excess sodium chloride to produce 0.148 g of precipitate?
3. The concentration of acetylsalicylic acid, C9H8O4, in aspirin tablets is determined by hydrolyzing it to the salicylate ion, C7H5O3-, and de¬termining its concentration spectrofluorometrically. A stock standard solution is prepared by weighing 0.0774 g of salicylic acid, C7H6O3, into a 1-L volumetric flask and diluting to volume. A set of calibration standards is prepared by pipeting 0, 2.00, 4.00, 6.00, 8.00, and 10.00 mL of the stock solution into separate 100-mL volumetric flasks that contain 2.00 mL of 4 M NaOH and diluting to volume. Fluorescence is measured at an emission wavelength of 400 nm using an excitation wavelength of 310 nm with results shown in the following table. (a) Why is the excitation wavelength (310 nm) shorter than the emission wavelength (400 nm)?(b) How is the emission wavelength isolated from the excitation wavelength in a fluorescence instrument?
The water in lakes that have been acidified by acid rain (HNO3 and H2SO4) can be neutralized by a process called liming, in which limestone (CaCO3) is added to the acidified water. What mass of limestone (in kg) would completely neutralize a 15.2 billion-liter lake that is 1.8 * 10 - 5 M in H2SO4 and 8.7 * 10 - 6 M in HNO3?
It can be helpful to clean hard water stains (mainly calcium carbonate ) with household vinegar. Most household vinegars contain about 5.0% by volume of acetic acid. Pure acetic acid ( usually called " glacial" acetic acid ) is a liquid with a density of 1.05g / mL.What is the molarity of acetic acid in household vinegar?
Complete the following dilution problems: What volume (in mL) of a 5.2 M solution is needed to prepare 245 mL of a 1.25 M solution? What is the molarity of a concentrated solution if 25.0 mL of this solution is used to make 128 mL of a 0.650 M solution?
Barium sulfate, BaSO4 , is used in medical imaging of the gastrointestinal tract because it is opaque to X rays. A barium sulfate solution, sometimes called a cocktail, is ingested by the patient, whose stomach and intestines can then be visualized via X-ray imaging. If a patient ingests 240 mL of a saturated barium sulfate solution, how much toxic Ba2+ ion has the patient consumed? The solubility product Ksp of BaSO4 is 1.10×10−10 .
What is the molarity of a solution of calcium chloride which contains 33500 mg of solute in a total volume of 0.352L? What is the molarity of a solution of LiI which contains 26800 mg of solute in a total volume of 0.282L? What is the molarity of a solution of calcium chloride which contains 0.440moles of solute in a total volume of 0.872L? How many mL of solvent should be added to 0.99L of a 1.5M solution if you want a final concentration of 0.74M? 0.096L of a 2.9M solution is diluted to a final volume of 250mL. What is the resultant molarity? How many L of solvent should be added to 0.77L of a 1.0M solution if you want a final concentration of 0.45M?
A medical lab is testing a new anticancer drug on cancer cells. The drug stock solution concentration is 1.5*10-9 M, and 1.00 mL of this solution will be delivered to a dish containing 2.0*105 cancer cells in 5.00 mL of aqueous fluid. What is the ratio of drug molecules to the number of cancer cells in the dish?
An antacid tablet contains Magnesium hydroxide and an inert binding agent. The mass of the Magnesium hydroxide in the tablet was determined by titration with HCl. If one tablet required 39.1 mL of 0.2056 N HCl for neutralization; how many equivalents of the base are in the tablet ? How many grams is this ?
An antacid tablet contains Aluminum hydroxide and an inert binding agent. The mass of the Aluminum hydroxide in the tablet was determined by titration with HCl. If one tablet required 39.1 mL of 0.2056 N HCl for neutralization; how many equivalents of the base are in the tablet ? How many grams is this ?
A solution is prepared by dissolving 44.3 grams of Aspirin( C9H8O4) in water to produce 2.13 g/ml of solution. What is the moles of solute, liter of solution and molarity of the resulting solution?
Suppose you had used 4.00 grams of NaOH(s) in Reaction 1. What would have been the number of Joules released in the reaction? What effect would this have on the value of X1?

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