Q1/ What is the weight, in milligrams, of 0.250 mmol Fe2O3 (ferric oxide),F.wt (159.7 mg/mmol)?

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...
icon
Related questions
Question
2 Analytical Chemi...
->
Analytical Chemistry Problems
Q1/ What is the weight, in milligrams, of 0.250 mmol Fe2O3 (ferric
oxide), F.wt (159.7 mg/mmol)?
Q2/ A solution is prepared by dissolving 1.26 g AGNO3 in a 250-mL
volumetric flask and diluting to volume. Calculate the molarity of the
silver nitrate solution. How many millimoles AGNO3 were dissolved?
F.wt AGNO3 169.9 g/mol
Q3/ How many grams per milliliter of NaCl are contained in a 0.250 M
solution? F.wt NaCI 58.4 mg/mmol
Q4/ Calculate the concentration of potassium ion in grams per liter
after mixing 100mL of 0.250 M KCI and 200mL of 0.100 M K2SO4.
(atomic weight K 39.1 mg/mmol)
Q5/ How many milliliters of concentrated sulfuric acid, 94.0%, density
1.831 g/cm3, are required to prepare 1 liter of a 0.100 M solution? F.wt
H2SO4 98.1 g/mol
Q6/ You wish to prepare 500mL of a 0.100 M K2Cr2O7 solution from a
0.250 M solution. What volume of the 0.250 M solution must be diluted
to 500 mL?
Q7/ The concentration of zinc ion in blood serum is about 1mg/L.
Express this as meq/L? equivalent weight of Zn2 32.7 mg/meq
Q8/ Calculate the grams of substance required to prepare the following
solutions:
(a) 250mL of 5.00% (wt/vol) NaNO3; (b) 500mL of 1.00% (wt/vol) NH4NO3,
(c) 1000mL of 10.0% (wt/vol) AGNO3.
Q9/ What is the wt/vol % of the solute in each of the following solutions?
(a) 52.3 g NazSO4/L, (b) 275 g KBr in 500 mL, (c) 3.65 g SO2 in 200 mL.
Transcribed Image Text:2 Analytical Chemi... -> Analytical Chemistry Problems Q1/ What is the weight, in milligrams, of 0.250 mmol Fe2O3 (ferric oxide), F.wt (159.7 mg/mmol)? Q2/ A solution is prepared by dissolving 1.26 g AGNO3 in a 250-mL volumetric flask and diluting to volume. Calculate the molarity of the silver nitrate solution. How many millimoles AGNO3 were dissolved? F.wt AGNO3 169.9 g/mol Q3/ How many grams per milliliter of NaCl are contained in a 0.250 M solution? F.wt NaCI 58.4 mg/mmol Q4/ Calculate the concentration of potassium ion in grams per liter after mixing 100mL of 0.250 M KCI and 200mL of 0.100 M K2SO4. (atomic weight K 39.1 mg/mmol) Q5/ How many milliliters of concentrated sulfuric acid, 94.0%, density 1.831 g/cm3, are required to prepare 1 liter of a 0.100 M solution? F.wt H2SO4 98.1 g/mol Q6/ You wish to prepare 500mL of a 0.100 M K2Cr2O7 solution from a 0.250 M solution. What volume of the 0.250 M solution must be diluted to 500 mL? Q7/ The concentration of zinc ion in blood serum is about 1mg/L. Express this as meq/L? equivalent weight of Zn2 32.7 mg/meq Q8/ Calculate the grams of substance required to prepare the following solutions: (a) 250mL of 5.00% (wt/vol) NaNO3; (b) 500mL of 1.00% (wt/vol) NH4NO3, (c) 1000mL of 10.0% (wt/vol) AGNO3. Q9/ What is the wt/vol % of the solute in each of the following solutions? (a) 52.3 g NazSO4/L, (b) 275 g KBr in 500 mL, (c) 3.65 g SO2 in 200 mL.
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Knowledge Booster
Concentration Terms
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.
Similar questions
Recommended textbooks for you
Chemistry
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry
Chemistry
Chemistry
ISBN:
9781259911156
Author:
Raymond Chang Dr., Jason Overby Professor
Publisher:
McGraw-Hill Education
Principles of Instrumental Analysis
Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning
Organic Chemistry
Organic Chemistry
Chemistry
ISBN:
9780078021558
Author:
Janice Gorzynski Smith Dr.
Publisher:
McGraw-Hill Education
Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
Chemistry
ISBN:
9781305079373
Author:
William L. Masterton, Cecile N. Hurley
Publisher:
Cengage Learning
Elementary Principles of Chemical Processes, Bind…
Elementary Principles of Chemical Processes, Bind…
Chemistry
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY