6ml of water used (1ml of buffer and 5ml of soft water) Hard Water Trial 1 Hard Water Trial 2 Hard Water Trial 3 Initial Syringe Reading (mL) 1ml 1ml 1ml Final Syringe Reading (mL) 77ml 79ml 75ml Volume of EDTA Consumed (mL) .23ml .21ml .25ml Water Hardness ppm CaCO3 (mg/L) Average ppm CaCO3 (mg/L):
6ml of water used (1ml of buffer and 5ml of soft water) Hard Water Trial 1 Hard Water Trial 2 Hard Water Trial 3 Initial Syringe Reading (mL) 1ml 1ml 1ml Final Syringe Reading (mL) 77ml 79ml 75ml Volume of EDTA Consumed (mL) .23ml .21ml .25ml Water Hardness ppm CaCO3 (mg/L) Average ppm CaCO3 (mg/L):
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...
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Data Table 3: Complexometric Titration of Soft Water
6ml of water used (1ml of buffer and 5ml of soft water)
|
Hard Water Trial 1 |
Hard Water Trial 2 |
Hard Water Trial 3 |
Initial Syringe Reading (mL) |
1ml |
1ml |
1ml |
Final Syringe Reading (mL) |
77ml |
79ml |
75ml |
Volume of EDTA Consumed (mL) |
.23ml |
.21ml |
.25ml |
Water Hardness ppm CaCO3 (mg/L) |
|
|
|
Average ppm CaCO3 (mg/L):
![mL EDTA
1 L
0.01 mol EDTA
1 mol CaCO,
mol CaCO,
%3D
1
1,000 mL
1 L
1 mol EDTA
1,000 mg
100.1 g CaCO,
1 mol CaCO,
1,000 mL
mol CaCO,
mL Water Sample
mg/L CaCO,
%3D
1 g
1 L
mg/L CaCO,=_ppm CaCO,
continued on next](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5185962d-e7eb-49eb-b02e-41dab686fbb2%2F4f0a4a93-d862-4f60-9485-45503db732c9%2Fjnn7h37_processed.jpeg&w=3840&q=75)
Transcribed Image Text:mL EDTA
1 L
0.01 mol EDTA
1 mol CaCO,
mol CaCO,
%3D
1
1,000 mL
1 L
1 mol EDTA
1,000 mg
100.1 g CaCO,
1 mol CaCO,
1,000 mL
mol CaCO,
mL Water Sample
mg/L CaCO,
%3D
1 g
1 L
mg/L CaCO,=_ppm CaCO,
continued on next
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