Name Experiment 4-Prelab Assignment 1. A 0.219 g sample of an unknown organic acid was titrated with 0.0934 M NaOH; a total of 39.52 mL of the base solution was required to reach the end-point. The acid is known to have 2 carboxyl groups per molecule. What was the molecular weight of the unknown acid? Show all calculations. 2. The melting point of the unknown acid in question 1, above, was found to be 179-182°C and the acid was soluble in water. Which of the following acids is most likely to be the unknown acid? Acid 1 Acid 2 Acid 3 Molecular Mass Solubility 118 g/mole 117 g/mole 120 g/mole water soluble water soluble water soluble Melting Point 147 - 149 °C 170-172 °C 185 186 °C
Name Experiment 4-Prelab Assignment 1. A 0.219 g sample of an unknown organic acid was titrated with 0.0934 M NaOH; a total of 39.52 mL of the base solution was required to reach the end-point. The acid is known to have 2 carboxyl groups per molecule. What was the molecular weight of the unknown acid? Show all calculations. 2. The melting point of the unknown acid in question 1, above, was found to be 179-182°C and the acid was soluble in water. Which of the following acids is most likely to be the unknown acid? Acid 1 Acid 2 Acid 3 Molecular Mass Solubility 118 g/mole 117 g/mole 120 g/mole water soluble water soluble water soluble Melting Point 147 - 149 °C 170-172 °C 185 186 °C
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...
Related questions
Question
Can you please answer both questions
Transcribed Image Text:Name
Experiment 4-Prelab Assignment
1. A 0.219 g sample of an unknown organic acid was titrated with 0.0934 M NaOH; a total of
39.52 mL of the base solution was required to reach the end-point. The acid is known to have 2
carboxyl groups per molecule. What was the molecular weight of the unknown acid? Show all
calculations.
2. The melting point of the unknown acid in question 1, above, was found to be 179-182°C and
the acid was soluble in water. Which of the following acids is most likely to be the unknown
acid?
Acid 1
Acid 2
Acid 3
Molecular Mass Solubility
118 g/mole
117 g/mole
120 g/mole
water soluble
water soluble
water soluble
Melting Point
147 - 149 °C
170-172 °C
185 186 °C
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 3 steps
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
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry
Chemistry
ISBN:
9781259911156
Author:
Raymond Chang Dr., Jason Overby Professor
Publisher:
McGraw-Hill Education
Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry
Chemistry
ISBN:
9781259911156
Author:
Raymond Chang Dr., Jason Overby Professor
Publisher:
McGraw-Hill Education
Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning
Organic Chemistry
Chemistry
ISBN:
9780078021558
Author:
Janice Gorzynski Smith Dr.
Publisher:
McGraw-Hill Education
Chemistry: Principles and Reactions
Chemistry
ISBN:
9781305079373
Author:
William L. Masterton, Cecile N. Hurley
Publisher:
Cengage Learning
Elementary Principles of Chemical Processes, Bind…
Chemistry
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY