A 225 mL solution contains 17.1 g LiCI. Given the density of the solution to be 1.05 g/mL, čalculate Its ! а. Mass/volume percent (m/v) b. Mass/mass percent (m/m) С. Molarity How many mL of 5.0 % (m/v) glucose solution contains 25 mg of glucose ? What is the molarity of a solution containing 8.0 g of NaOH in 400. mL of NaOH solution ? How many g of NaOH is required to make 250 mL of 1.3 M NaOH solution ?

A 225 mL solution contains 17.1 g LiCI. Given the density of the solution to be 1.05 g/mL, čalculate Its ! а. Mass/volume percent (m/v) b. Mass/mass percent (m/m) С. Molarity How many mL of 5.0 % (m/v) glucose solution contains 25 mg of glucose ? What is the molarity of a solution containing 8.0 g of NaOH in 400. mL of NaOH solution ? How many g of NaOH is required to make 250 mL of 1.3 M NaOH solution ?

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

Chapter11: Properties Of Solutions

Section: Chapter Questions

Problem 138CP: Specifications for lactated Ringers solution, which is used for intravenous (IV) injections, are as...

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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?
A. Calculate the molarity of the yellow stock solution. 10.00 L of the stock solution contains 0.1991 g of Yellow #5 food coloring with molar mass = 534.36 g/mol. B. Calculate the concentration of the yellow stock solution parts per million, ppm.Recall: ppm = (mg of solute)/(Liters of Solution) C. Consider the dilutions used to make the solutions and calculate the ppm of each standard solution. (Use C1V1= C2V2) D. Explain why ppm is more convenient than molarity for the units of concentration here.
I make a solution out of 1000.00 g of H2O and 3.00 g of Na2CO3 which we will assume has a density of roughly 1.00 g/mL. What is the: %m/m? %m/v? Molar fraction? Molar percent? Molarity? molality? ppm? ppb?
What is the %v/v of a solution made from 231.1 g of ethylene glycol (density is 1.11 g/mL) in water (density 1.00 g/mL) to form a total volume of 500.0 mL
1)Calculate the concentration in % (m/v) of 100.0 g of NaNO3 dissolved in water for a final volume of 1250 mL b) How many grams of glucose was used to prepare 250.0 mL at a concentration of 7.50 %(m/v) solution? 2) Calculate the molar it's of a solution by dissolving 5.00 grams of NaOH (molar mass = 40.00 g/mol) in 1.00 liter of water. b) How many grams of KOH ( molar mass = 56.11 g/mol) is needed to make 0.500 L of a 0.100 M solution?
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How many grams of methionine (MW = 149.21) are needed to make 20mL of a 150 mM solution? What is the above as a percent solution (w/v - weight per volume)?
Solute: H2SO4 Composition of Solution: mole% H2SO4 = 40 % Density, g/mL: 20 degrees: 1.681 ; 80 degrees: 1.625 Find: 1. g solute per 100 mL of solution at 80 degrees 2. g solute per 1000 mL of solution at 20 degrees 3. ppm of solute
Ben prepared a salicylic acid in pentanol solution by adding 4.77 g of salicylic acid to 91.88 mL of pentanol. Calculate the mole fraction of salicylic acid in this solution. MW of salicylic acid= 138.12 g/mol MW of pentanol= 88.15 g/mol Density of pentanol= 0.8144 g/mL
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A solution was prepared by dissolving 16 g of CaCl2 in 72g of water and has a density of 1,180 g / cm3 at 20 ° C. Express the concentration in M, N, m/m and m/v.
Ethylene glycol (C2H6O2), a nonelectrolyte, is used as antifreeze in car radiators. A solution containing 86.0 g of ethylene glycol dissolved in 465 g of water has a density of 1.35 g/mL at 25 °C. Calculate the following: A) the %m/m of the ethylene glycol in this solution. B) the molarity of the ethylene glycol in this solution.