Data Table and Results (Part B - Determining Solution Concentration) Measurement Volume of Solution in Evaporating Dish Mass of Evaporating Dish Mass of Evaporating Dish and Solution Mass of Evaporating Dish and Residue For each trial, calculate: 1. Mass of the solution. 1. 839g-60.1369=1.703g 61 4279-60.135g=1.2929 2 Mass of the residue. (0.1859-60.136g=0.049g 60.166g-60.135g=0.031g 4 Molarity of the solution. Trial 1 3 Mass percent of the solution. 1.703g Solute (1.703g+10.00ML) 1.2929 Solute (1.2929+10.00mL) 100-11.447 0.049gNaCl 1mol 0.031gNaci. ImolNaci 58.449 Nac 10.00mL10.00ml 60.136960.135g Kel. 839g 61.4279 60.1859 60.1669 0.01002 Trial 2 58.449 0.01002 Trial 3 -100=14.557. 0.00838m 0.836m Nach = 0.00053mNach 0.053mNach mol L 10.00mol 1L = 0.01 5. Show your calculation for the % error between the molarity you calculated and the true value given to you by your instructor. 10.600-0.053moll 10.836mol-0.6001 100 = 39.33% 0.600 0.600 mol =9.11% Write your unknown sample # and the true value for its molarity in the box below:
Data Table and Results (Part B - Determining Solution Concentration) Measurement Volume of Solution in Evaporating Dish Mass of Evaporating Dish Mass of Evaporating Dish and Solution Mass of Evaporating Dish and Residue For each trial, calculate: 1. Mass of the solution. 1. 839g-60.1369=1.703g 61 4279-60.135g=1.2929 2 Mass of the residue. (0.1859-60.136g=0.049g 60.166g-60.135g=0.031g 4 Molarity of the solution. Trial 1 3 Mass percent of the solution. 1.703g Solute (1.703g+10.00ML) 1.2929 Solute (1.2929+10.00mL) 100-11.447 0.049gNaCl 1mol 0.031gNaci. ImolNaci 58.449 Nac 10.00mL10.00ml 60.136960.135g Kel. 839g 61.4279 60.1859 60.1669 0.01002 Trial 2 58.449 0.01002 Trial 3 -100=14.557. 0.00838m 0.836m Nach = 0.00053mNach 0.053mNach mol L 10.00mol 1L = 0.01 5. Show your calculation for the % error between the molarity you calculated and the true value given to you by your instructor. 10.600-0.053moll 10.836mol-0.6001 100 = 39.33% 0.600 0.600 mol =9.11% Write your unknown sample # and the true value for its molarity in the box below:
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
100%
Help I really have no idea if I calculated it right
Transcribed Image Text:128 |
San Diego Miramar College | Chem 152L Laboratory
Data Table and Results (Part B - Determining Solution Concentration)
Measurement
Volume of Solution in Evaporating Dish
Mass of Evaporating Dish
Mass of Evaporating Dish and Solution
Mass of Evaporating Dish and Residue
For each trial, calculate:
1. Mass of the solution. (1.839g-60.136g=1.703g
61 4279-60.135g=1.2929
Trial 1
2 Mass of the residue. (0.1859-60.136g=0.0499
60.166g-60.135g=0.031g
4 Molarity of the solution.
0.031gNaci..
3 Mass percent of the solution. 1.703g Solute
(1.703g+10.00mL)
1.2929 Solute
(1.2929+10.00mL)
10.00-10.00m
60.136960.135g
Kel. 839 61.4279
60.185960.1669
1molNaci
58.449
Trial 2
-100= 14.55 %.
-100-11.447
Nac
0.049gNaCl 1mol 0.00838m6.836m Nach
58.449
0.01002
-0.00053mNaol 0.053mNach mol
0.01002
L
100 = 39.33%
Trial 3
10.00mol 1L
-0.01
5. Show your calculation for the % error between the molarity you calculated and the true value
given to you by your instructor.
10.600-0.053moll
10.836mol-0.6001
0.600
0.600 mol
= 9.11%
Write your unknown sample # and the true value for its molarity in the box below:
Unknown #
Molarity
116
trial 1: erial 2
0.836m 0.053m
... 100
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 4 steps with 2 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
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