8. The density of methanolc acid, HCOOH Is 1.22 g/mL If 33.5 mL of methanoic acid is dissolved in water to a volume of 250 ml, calculate the concontration of methanolc acid in a) % v/v b) % wv
8. The density of methanolc acid, HCOOH Is 1.22 g/mL If 33.5 mL of methanoic acid is dissolved in water to a volume of 250 ml, calculate the concontration of methanolc acid in a) % v/v b) % wv
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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![8. The density of methenolc acid, HCOOH is 1.22 g/mL If 33.5 ml of methanoic acid is
dissolved in water to a volume of 250 ml, calculate the concentration of methanoic
acid in
a) % v/v
b) % wv
9. Calculate the molar concentration of HlyOs in a solution that has a specific gravity of
1.42 and is 70.5% HNO. (w/w).
10. A 12.5% (w/w) NICI2 (129.61 g/mol) solution has a density of 1.149 g/mL. Calculate
a) The molar concentration of NiCl, in the solution.
b) The molar Cl concentration of the solution.
11. Calculate the molar concentration of HPO, commercial reagent that is 86% (w/w)
and has a specific gravity of 1.71.
12. The density of commercial concentrated HNO, is 1.41 g/mL The concentrated acid
contains 69% (w/w of pure acid. Determine
a) Molarity of the commercial concentrated acid.
b) Volume in mL of concentrated acid is needed to prepare 500 mL of 2.50 M HNO,
solution.
13. Describe the preparation of solution:
a). 500 mL 0.250 M ethylene glycol (MW = 62.07) from a concentrated 31 % (w/w)
solution that has a density of 1.0350 g/mL
b) 2.00 L of 0.108 M BaCl, from BaCl.2HOsall.
c) 750 mL of 6.00 M HPO. from the commercial reagent that is 86% H,PO. (w/w)
and has specific gravity of 1.71.
d) 250 mL of 0.0750 M AGNO, from the solid reagent.
e) 500 mL of 4.75 % (w/v) aqueous ethanol.
250 ml solution of 25 ppm of Na". from solid sodium sulfate (Na,SO.)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb91ab97b-333f-4002-a87c-0f6cf2c7702f%2Fb70f02b9-9af7-4f80-b545-bb9c89a73910%2Fjt0z9t7_processed.jpeg&w=3840&q=75)
Transcribed Image Text:8. The density of methenolc acid, HCOOH is 1.22 g/mL If 33.5 ml of methanoic acid is
dissolved in water to a volume of 250 ml, calculate the concentration of methanoic
acid in
a) % v/v
b) % wv
9. Calculate the molar concentration of HlyOs in a solution that has a specific gravity of
1.42 and is 70.5% HNO. (w/w).
10. A 12.5% (w/w) NICI2 (129.61 g/mol) solution has a density of 1.149 g/mL. Calculate
a) The molar concentration of NiCl, in the solution.
b) The molar Cl concentration of the solution.
11. Calculate the molar concentration of HPO, commercial reagent that is 86% (w/w)
and has a specific gravity of 1.71.
12. The density of commercial concentrated HNO, is 1.41 g/mL The concentrated acid
contains 69% (w/w of pure acid. Determine
a) Molarity of the commercial concentrated acid.
b) Volume in mL of concentrated acid is needed to prepare 500 mL of 2.50 M HNO,
solution.
13. Describe the preparation of solution:
a). 500 mL 0.250 M ethylene glycol (MW = 62.07) from a concentrated 31 % (w/w)
solution that has a density of 1.0350 g/mL
b) 2.00 L of 0.108 M BaCl, from BaCl.2HOsall.
c) 750 mL of 6.00 M HPO. from the commercial reagent that is 86% H,PO. (w/w)
and has specific gravity of 1.71.
d) 250 mL of 0.0750 M AGNO, from the solid reagent.
e) 500 mL of 4.75 % (w/v) aqueous ethanol.
250 ml solution of 25 ppm of Na". from solid sodium sulfate (Na,SO.)
![4. What is the mass in millgrams of solute in:
a) 500 mmol of MgO.
b) 2.92 L of 4.76 x 10 M H2O2
c) 3.50 L of a solution that contains 21.7 ppm of SnCl2
d) 587 mL of a solution contains 3.74 ppm of Pb(NOs)2.
5. Calculate mass in grams of solute in:
a) 450 mL of 0.164 M KNO3
b) 27.0 mL of 8.75 x 104 M benzoic acid (122 g/mol).
6. A solution contains 118.5 g Kl per liter solution. Calculate the concentration in
a) % w/v
b) % w/w
Given the density of the solution at 25 °C is 1.078 g/mL.
7. Methanol, CH3OH (32.0 g/mol) has a density of 0.79 g/mL. If 54.0 mL methanol is
added with water to a volume of 500.0 mL, calculate the concentration of the
methanol solution in
a) percent v/v
b) percent w/v
c) molarity](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb91ab97b-333f-4002-a87c-0f6cf2c7702f%2Fb70f02b9-9af7-4f80-b545-bb9c89a73910%2Fr9jbkle_processed.jpeg&w=3840&q=75)
Transcribed Image Text:4. What is the mass in millgrams of solute in:
a) 500 mmol of MgO.
b) 2.92 L of 4.76 x 10 M H2O2
c) 3.50 L of a solution that contains 21.7 ppm of SnCl2
d) 587 mL of a solution contains 3.74 ppm of Pb(NOs)2.
5. Calculate mass in grams of solute in:
a) 450 mL of 0.164 M KNO3
b) 27.0 mL of 8.75 x 104 M benzoic acid (122 g/mol).
6. A solution contains 118.5 g Kl per liter solution. Calculate the concentration in
a) % w/v
b) % w/w
Given the density of the solution at 25 °C is 1.078 g/mL.
7. Methanol, CH3OH (32.0 g/mol) has a density of 0.79 g/mL. If 54.0 mL methanol is
added with water to a volume of 500.0 mL, calculate the concentration of the
methanol solution in
a) percent v/v
b) percent w/v
c) molarity
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