1. Compute the weight (g) of solute needed to make the solutions listedbelow:a. 1250 ml of 0.85 M AICI3b. 0.500 L of 9.25 N K2SO4c. 350 g of 13.2 %w/w of Ca(OH)22. Calculate the %w/v of a solution made by dissolving 22.0 g CH3OH(methanol) in C2H5OH (ethanol) to make 100 mL solution.3. What is the %v/v of 10.0 mL of CH3OH (methanol) dissolved in water toa volume of 40.0 mL?4. A solution is prepared at 25.C by mixing 20 g of K2SO4 with 150 cc ofwater. The density of water at this temperature is 1 g/cc. What is the mof K2SO4?5. Express the formality (F) the concentration of each of the followingsolutions:a. 28.4% NH3 by weight, having a density of 0.808 g/mLb. 69.5% HNO3 by weigt, aving a density of 1.42 g/ml6. An aqueous solution of hydrofluoric acid is 12.5 molal with respect toHF and has a density of 1.070 g/mL at 2500. Calculatea. mole fraction of HFb. %w/w of HFc. molarityd. molality7. Calculate the volume of concentrated reagent required to preparethe diluted solutions indicated:a. 15 M NH3 to prepare 50 ml of 6.0 M NH3b. 18 M H2SO4 to prepare 250 mL of 10.0 M H2SO48. Calculate the molarity of the solutions by mixing 250 mL of 0.75 M H2SO4witha. 150 ml of H20b. 250 ml of 0.70 M H2SO4

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Answered: 1. Compute the weight (g) of solute…

1. Compute the weight (g) of solute needed to make the solutions listed below: a. 1250 ml of 0.85 M AICI3 b. 0.500 L of 9.25 N K2SO4 c. 350 g of 13.2 %w/w of Ca(OH)2

Chemistry & Chemical Reactivity

10th Edition

ISBN:9781337399074

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter13: Solutions And Their Behavior

Section: Chapter Questions

Problem 107SCQ

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Question

1. Compute the weight (g) of solute needed to make the solutions listed
below:
a. 1250 ml of 0.85 M AICI3
b. 0.500 L of 9.25 N K2SO4
c. 350 g of 13.2 %w/w of Ca(OH)2
2. Calculate the %w/v of a solution made by dissolving 22.0 g CH3OH
(methanol) in C2H5OH (ethanol) to make 100 mL solution.
3. What is the %v/v of 10.0 mL of CH3OH (methanol) dissolved in water to
a volume of 40.0 mL?
4. A solution is prepared at 25.C by mixing 20 g of K2SO4 with 150 cc of
water. The density of water at this temperature is 1 g/cc. What is the m
of K2SO4?
5. Express the formality (F) the concentration of each of the following
solutions:
a. 28.4% NH3 by weight, having a density of 0.808 g/mL
b. 69.5% HNO3 by weigt, aving a density of 1.42 g/ml
6. An aqueous solution of hydrofluoric acid is 12.5 molal with respect to
HF and has a density of 1.070 g/mL at 2500. Calculate
a. mole fraction of HF
b. %w/w of HF
c. molarity
d. molality
7. Calculate the volume of concentrated reagent required to prepare
the diluted solutions indicated:
a. 15 M NH3 to prepare 50 ml of 6.0 M NH3
b. 18 M H2SO4 to prepare 250 mL of 10.0 M H2SO4
8. Calculate the molarity of the solutions by mixing 250 mL of 0.75 M H2SO4
with
a. 150 ml of H20
b. 250 ml of 0.70 M H2SO4

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