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Concentration of the solution can be expressed in terms of percentage: • Mass by mass percent • Mass…

test ort a gamb rement What is the volume of a 5.0% (m/v) glucose solution prepared from 75 mL of a 12% (m/v) glucose solution? (Hint: For dilutions, the dilution formula, C₁V₁ = C₂V2, allows to solve for the unknown quantity.) O 0.8 mL O 0.0056 mL O 180 mL O 31.25 mL chemistry and reaction of employ..... paymen..... receipt 19 10...

test ort a gamb rement What is the volume of a 5.0% (m/v) glucose solution prepared from 75 mL of a 12% (m/v) glucose solution? (Hint: For dilutions, the dilution formula, C₁V₁ = C₂V2, allows to solve for the unknown quantity.) O 0.8 mL O 0.0056 mL O 180 mL O 31.25 mL chemistry and reaction of employ..... paymen..... receipt 19 10...

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter10: Solutions

Section: Chapter Questions

Problem 57QAP: The freezing point of a 0.11 m solution of HNO2 is -0.20C. (a) What is i for the solution? (b) Is...

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A solution is made by dissolving 34.0 g of NaCl in 100 g of H2O at 0C. Based on the data in Table 8-1, should this solution be characterized as a. saturated or unsaturated b. dilute or concentrated
The Henry's law constant for the solubility of argon gas in water is 1.0103M/atm at 30C. (a) Express the constant in M/mm Hg. (b) If the partial pressure of argon gas at 30C is 693 mm Hg, what is the concentration (in M) of the dissolved argon gas at 30C? (c) How many grams of argon gas can be dissolved in 29 L of water at 693 mm Hg and 30C? (Ignore the partial pressure of water.)
6-53 Dioxin is considered to be poisonous in concentrations above 2 ppb. If a lake containing L has been contaminated by 0.1 g of dioxin, did the concentration reach a dangerous level?
6-37 Calculate the w/v percentage of each of these solutes: (a) 623 mg of casein in 15.0 mL of milk (b) 74 mg of vitamin C in 250 mL of orange juice (c) 3.25 g of sucrose in 186 mL of coffee
Specifications for lactated Ringers solution, which is used for intravenous (IV) injections, are as follows to reach 100. mL of solution: 285315 mg Na+ 14.117.3 mg K+ 4.9Q.O mg Ca2+ 368408 mg Cl 231261 mg lactate, C3H5O3 a. Specify the amount of NaCl, KCl, CaCl2 2H2O, and NaC3H5O3 needed to prepare 100. mL lactated Ringers solution. b. What is the range of the osmotic pressure of the solution at 37C, given the preceding specifications?
Solutions Introduced directly into the bloodstream have to be isotonic with blood; that is, they must have the same osmotic pressure as blood. An aqueous NaCl solution has to be 0.90% by mass to be isotonic with blood. What is the molarity of the sodium ions in solution? Take the density of the solution to be 1.00 g/mL.
6-54 An industrial wastewater contains 3.60 ppb cadmium Cd2+. How many mg of Cd2+ could be recovered from a ton (1016 kg) of this wastewater?
Consider two solutions at a certain temperature. Solution X has a nonelectrolyte as a solute and an osmotic pressure of 1.8 atm. Solution Y also has a nonelectrolyte as a solute and an osmotic pressure of 4.2 atm. What is the osmotic pressure of a solution made up of equal volumes of solutions X and Y at the same temperature? Assume that the volumes are additive.
6-67 Calculate the freezing points of solutions made by dissolving 1.00 mole of each of the following ionic solutes in 1000. g of H2O. (a) NaCI (b) MgCI2 (c) (NH4)2CO3 (d) AI(HCO3)3
Aqueous solutions introduced into the stream y injection must have the same osmotic pressure as blood; that is, they must be isotonic with blood. At 25C, the average osmotic pressure of blood is 7.7 atm. What is the molarity of an isotonic saline solution (NaCl in H2O)? Recall that NaCl is an electrolyte; assume complete conversion to Na+ and Cl- ions.
6-16 Answer true or false. (a) Solubility is a physical property like melting point and boiling point. (b) All solutions are transparent—that is, you can see through them. (c) Most solutions can be separated into their components by physical methods such as distillation and chromatography.
6-45 The label on ajar of jam says it contains 13 g of sucrose, C12H22O11 per tablespoon (15 mL). What is the molarity of sucrose in the jam?