1.) A solution was prepared by dissolving 2.35g of NaOH in a 250 mL of solution. What is the Molarity and Normality of the solution? 2.) Determine the mass of NaCl that is needed to be dissolved in a 150g of solution to obtain a concentration of 4.5% m/m? 3.) What is the concentration of ethanol in %v/v if 25 mL of ethanol is mixed with 225 mL of water?
1.) A solution was prepared by dissolving 2.35g of NaOH in a 250 mL of solution. What is the Molarity and Normality of the solution? 2.) Determine the mass of NaCl that is needed to be dissolved in a 150g of solution to obtain a concentration of 4.5% m/m? 3.) What is the concentration of ethanol in %v/v if 25 mL of ethanol is mixed with 225 mL of water?
Chapter7: Solutions And Colloids
Section: Chapter Questions
Problem 7.107E
Related questions
Question
1.) A solution was prepared by dissolving 2.35g of NaOH in a 250 mL of solution. What is the Molarity and Normality of the solution?
2.) Determine the mass of NaCl that is needed to be dissolved in a 150g of solution to obtain a concentration of 4.5% m/m?
3.) What is the concentration of ethanol in %v/v if 25 mL of ethanol is mixed with 225 mL of water?
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step 1: Determine the molarity and normality of NaOH and mass percent of NaCl and volume percent of ethanol:
VIEWStep 2: (1) Calculation for molarity and normality of NaOH:
VIEWStep 3: (2) calculation for mass percentage of NaCl:
VIEWStep 4: (3) calculation for volume percentage of ethanol:
VIEWSolution
VIEW
Step by step
Solved in 5 steps with 3 images
Knowledge Booster
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.Recommended textbooks for you
World of Chemistry, 3rd edition
Chemistry
ISBN:
9781133109655
Author:
Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Publisher:
Brooks / Cole / Cengage Learning
Chemistry: Principles and Practice
Chemistry
ISBN:
9780534420123
Author:
Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:
Cengage Learning
World of Chemistry, 3rd edition
Chemistry
ISBN:
9781133109655
Author:
Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Publisher:
Brooks / Cole / Cengage Learning
Chemistry: Principles and Practice
Chemistry
ISBN:
9780534420123
Author:
Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:
Cengage Learning
Chemistry: Matter and Change
Chemistry
ISBN:
9780078746376
Author:
Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:
Glencoe/McGraw-Hill School Pub Co
Living By Chemistry: First Edition Textbook
Chemistry
ISBN:
9781559539418
Author:
Angelica Stacy
Publisher:
MAC HIGHER
Principles of Modern Chemistry
Chemistry
ISBN:
9781305079113
Author:
David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:
Cengage Learning