Average Molarity of EDTA solution O.O Trial 1 Volume (mL) of unknown water sample Volume (L) of unknown water sample Initial buret reading Final buret reading Volume (mL) of EDTA used in the titration Volume (mL) used for the blank from Part A Corrected Volume (mL) of EDTA used in the titration Corrected Volume (L) of EDTA used in the titration Concentration (M) of EDTA used in the titration. Corrected Moles of EDTA used in the titration Moles of CaCO3 in the Sample Concentraton (M) of CaCO3 in the Sample 25.00 O.Oasoo OML 8ml 8ml 2.43 S. 507 0.005567 0.01 0-000057 S.STE-S 24 M Trial 2 m 25.00 2500 8 Isml 7ml 2.43 4.57 0.00457 0.01 0.0000457 4-57E-5 0.000057 0.0000457 1.2102 0.01 0.01006 Average Molarity of CaCO3 ppm (mg/L) CaCO3 223 0.01 x 0-00457=4.57E-S Trial 3 25.00 0.02500 15ml 2a.Sml 7.5 2.43 5.07 0.00507 0.01 0.0000 507 S.07E-S 0.0000 507 0.01 8

Average Molarity of EDTA solution O.O Trial 1 Volume (mL) of unknown water sample Volume (L) of unknown water sample Initial buret reading Final buret reading Volume (mL) of EDTA used in the titration Volume (mL) used for the blank from Part A Corrected Volume (mL) of EDTA used in the titration Corrected Volume (L) of EDTA used in the titration Concentration (M) of EDTA used in the titration. Corrected Moles of EDTA used in the titration Moles of CaCO3 in the Sample Concentraton (M) of CaCO3 in the Sample 25.00 O.Oasoo OML 8ml 8ml 2.43 S. 507 0.005567 0.01 0-000057 S.STE-S 24 M Trial 2 m 25.00 2500 8 Isml 7ml 2.43 4.57 0.00457 0.01 0.0000457 4-57E-5 0.000057 0.0000457 1.2102 0.01 0.01006 Average Molarity of CaCO3 ppm (mg/L) CaCO3 223 0.01 x 0-00457=4.57E-S Trial 3 25.00 0.02500 15ml 2a.Sml 7.5 2.43 5.07 0.00507 0.01 0.0000 507 S.07E-S 0.0000 507 0.01 8

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter10: Solutions

Section: Chapter Questions

Problem 66QAP: The Henry's law constant for the solubility of radon in water at is 9.57106 M/mm Hg. Radon is...

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Bronsted-Lowry base in inorganic chemistry is any chemical substance that can accept a proton from the other chemical substance it is reacting with.

Question

Solve calculations

B. Hardness of Unknown Water Sample
***Unknown Letter_B
Average Molarity of EDTA solution 0.01
Trial 1
Volume (mL) of
unknown water
sample
Volume (L) of
unknown water
sample
Initial buret reading
Final buret reading
Volume (mL) of
EDTA used in the
titration
Volume (mL) used
for the blank from
Part A
Corrected Volume
(mL) of EDTA used
in the titration
Corrected Volume
(L) of EDTA used in
the titration
Concentration (M) of
EDTA used in the
titration.
Corrected Moles of
EDTA used in the
titration
25.00
O-Oasoo
OmL
8m1
8m1
2.43
S. 507
0.005567
0.01
0-000057
S.57E-S
Moles of CaCO3 in
the Sample
Concentraton (M) of
CaCO3 in the Sample
10000057
2102
M
Trial 2
25.00
2500
8
Isml
7ml
2.43
4.57
0.00457
0.01
0.000011
4-STE
0.0000457
0.01
0.01006
Average Molarity of
CaCO3
ppm (mg/L) CaCO3
223
0-01 ×0-00457=4.57E-
-S
Trial 3
25.00
0.02500
15 ml
22.Sml
7.5
2.43
S.07
0.00507
0.01
0.0000 507
S.07E-S
0.0000 507
0.01
8

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