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. Please explain thoroughly as well.
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. Please explain thoroughly as well.
Introduction to General, Organic and Biochemistry
11th Edition
ISBN:9781285869759
Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Chapter6: Solutions And Colloids
Section: Chapter Questions
Problem 6.63P
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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.
Please explain thoroughly as well.
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
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
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Is this for Average Molarity of EDTA Standard Solution? Then, would it be always the same with average Molarity of EDTA?
How about the Ca Titer (mg Ca/mL of EDTA Solution? Show step by step solution.
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