ASAP: Please help me solve for Average Molarity of EDTA Standard Solution and Ca Titer (mg Ca/mL of EDTA Solution). Show step by step solution.  This is the data.

Chemistry: Matter and Change
1st Edition
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Chapter14: Mixtures And Solutions
Section14.3: Factors Affecting Solvation
Problem 42SSC
icon
Related questions
Question

ASAP:

Please help me solve for Average Molarity of EDTA Standard Solution and Ca Titer (mg Ca/mL of EDTA Solution). Show step by step solution. 

This is the data. 

Table 1B. Determination of the concentration of EDTA solution (Molarity)
Reaction: Ca(aq) + · EDT Alaq) → CaEDTA²(aq)
Details
Molarity of Ca Standard Solution
Volume (mL) of Ca Standard Solution Titrated
Amount (mmoles) Ca
Amount (mmoles) EDTA reacted
Volume (mL) of the EDTA solution delivered
Molarity of EDTA solution
Average Molarity of EDTA
Deviation
Standard Deviation
Coefficient of Variation (%RSD)
Trial 1
0.009884
25.00
0.2471
0.2471
21.70
0.01139
0.01146
-0.00007
0.00008
0.70
Trial 2
25.00
0.2471
0.2471
21.60
0.01144
-0.00002
Trial 3
25.00
0.2471
0.2471
21.40
0.01155
+0.00009
Transcribed Image Text:Table 1B. Determination of the concentration of EDTA solution (Molarity) Reaction: Ca(aq) + · EDT Alaq) → CaEDTA²(aq) Details Molarity of Ca Standard Solution Volume (mL) of Ca Standard Solution Titrated Amount (mmoles) Ca Amount (mmoles) EDTA reacted Volume (mL) of the EDTA solution delivered Molarity of EDTA solution Average Molarity of EDTA Deviation Standard Deviation Coefficient of Variation (%RSD) Trial 1 0.009884 25.00 0.2471 0.2471 21.70 0.01139 0.01146 -0.00007 0.00008 0.70 Trial 2 25.00 0.2471 0.2471 21.60 0.01144 -0.00002 Trial 3 25.00 0.2471 0.2471 21.40 0.01155 +0.00009
Table 1A. Preparation of Ca²+ Standard Solution
MMcacos = 100.09g/mol
mass CaCO3 (g)
Amount(mmol) Ca-Amount(mmoles) CaCO3
Volume (mL) of Ca Standard Solution
Molarity of Ca Standard Solution
0.2473
2.471
250
0.009884
Transcribed Image Text:Table 1A. Preparation of Ca²+ Standard Solution MMcacos = 100.09g/mol mass CaCO3 (g) Amount(mmol) Ca-Amount(mmoles) CaCO3 Volume (mL) of Ca Standard Solution Molarity of Ca Standard Solution 0.2473 2.471 250 0.009884
Expert Solution
steps

Step by step

Solved in 3 steps

Blurred answer
Follow-up Questions
Read through expert solutions to related follow-up questions below.
Follow-up Question

Does that mean that  Average molarity of EDTA standard solution =  Average molarity of EDTA? Will this always be the case? 

Solution
Bartleby Expert
SEE SOLUTION
Knowledge Booster
Complexometric Titrations
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: Matter and Change
Chemistry: Matter and Change
Chemistry
ISBN:
9780078746376
Author:
Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:
Glencoe/McGraw-Hill School Pub Co
Chemistry: An Atoms First Approach
Chemistry: An Atoms First Approach
Chemistry
ISBN:
9781305079243
Author:
Steven S. Zumdahl, Susan A. Zumdahl
Publisher:
Cengage Learning
Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
Chemistry
ISBN:
9781305079373
Author:
William L. Masterton, Cecile N. Hurley
Publisher:
Cengage Learning
Chemistry: The Molecular Science
Chemistry: The Molecular Science
Chemistry
ISBN:
9781285199047
Author:
John W. Moore, Conrad L. Stanitski
Publisher:
Cengage Learning
Introductory Chemistry For Today
Introductory Chemistry For Today
Chemistry
ISBN:
9781285644561
Author:
Seager
Publisher:
Cengage
Chemistry
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning