The total hardness is always listed in parts-per-million (ppm) of CaCO3 (or mg CaCO3 / Kg H20). Since the density of water is 1.0 g/mL, one ppm would be the same as the number of mg of CaCO3 per liter of water. Determine the numbe of moles of CaCO3 present in the titrated sample of water, assuming that all the Ca2+ combines with CO32-. (enter your answer with 3 significant figures) Incorrect. Tries 2/99 Previous Tries Submit Answer Calculate the number of grams of CaCO3 present and convert to mg. (enter your answer with 3 significant figures)
The total hardness is always listed in parts-per-million (ppm) of CaCO3 (or mg CaCO3 / Kg H20). Since the density of water is 1.0 g/mL, one ppm would be the same as the number of mg of CaCO3 per liter of water. Determine the numbe of moles of CaCO3 present in the titrated sample of water, assuming that all the Ca2+ combines with CO32-. (enter your answer with 3 significant figures) Incorrect. Tries 2/99 Previous Tries Submit Answer Calculate the number of grams of CaCO3 present and convert to mg. (enter your answer with 3 significant figures)
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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Not Secure - a5.chem.binghamton.edu o
E LON-CAPA t30p04a
O [엘소드/KR Elswrod] 범…
MC Kimetsu no Yaiba - Di.
As you work on the questions, have your lab manual and text book handy.
If you have questions go to one of the office hours and remember, do not leave it for the last
minute!
In the titration of 25.00 mL of a water sample, it took 19.090 mL of 3.165x 10-3 M EDTA solution to reach the
endpoint.
Calculate the number of moles of EDTA required to titrate the water sample. (enter your answer with 3 significant
figures)
6.04x10-5
You are correct.
Your receipt no. is 151-9969 ?
Previous Tries
The total hardness is due to one or a combination of Ca2+, Mg2+, and Fe2+ in your sample. It is convenient to express
this hardness as though it was entirely due to Ca2+. Making this assumption, determine the number of moles of Ca2+
present in the bottled water sample titrated. (enter your answer with 3 significant figures)
6.04x10-5
You are correct.
Previous Tries
Your receipt no. is 151-1871 ®
The total hardness is always listed in parts-per-million (ppm) of CaCO3 (or mg CaCO3 / Kg H2O). Since the density of
water is 1.0 g/mL, one ppm would be the same as the number of mg of CaCO3 per liter of water. Determine the number
of moles of CaCO3 present in the titrated sample of water, assuming that all the Ca2+ combines with CO32-. (enter
your answer with 3 significant figures)
Submit Answer
Incorrect. Tries 2/99 Previous Tries
Calculate the number of grams of CaCO3 present and convert to mg. (enter your answer with 3 significant figures)
1,772
FEB
13
étv
MacBook Air
000
esc](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F35436710-2db7-4511-a638-317e14d4057d%2F022894c0-0c2b-4c3e-a9e3-19c6b214a988%2F80yb71m_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Safari
File
Edit
View
History
Bookmarks
Develop
Window
Help
Not Secure - a5.chem.binghamton.edu o
E LON-CAPA t30p04a
O [엘소드/KR Elswrod] 범…
MC Kimetsu no Yaiba - Di.
As you work on the questions, have your lab manual and text book handy.
If you have questions go to one of the office hours and remember, do not leave it for the last
minute!
In the titration of 25.00 mL of a water sample, it took 19.090 mL of 3.165x 10-3 M EDTA solution to reach the
endpoint.
Calculate the number of moles of EDTA required to titrate the water sample. (enter your answer with 3 significant
figures)
6.04x10-5
You are correct.
Your receipt no. is 151-9969 ?
Previous Tries
The total hardness is due to one or a combination of Ca2+, Mg2+, and Fe2+ in your sample. It is convenient to express
this hardness as though it was entirely due to Ca2+. Making this assumption, determine the number of moles of Ca2+
present in the bottled water sample titrated. (enter your answer with 3 significant figures)
6.04x10-5
You are correct.
Previous Tries
Your receipt no. is 151-1871 ®
The total hardness is always listed in parts-per-million (ppm) of CaCO3 (or mg CaCO3 / Kg H2O). Since the density of
water is 1.0 g/mL, one ppm would be the same as the number of mg of CaCO3 per liter of water. Determine the number
of moles of CaCO3 present in the titrated sample of water, assuming that all the Ca2+ combines with CO32-. (enter
your answer with 3 significant figures)
Submit Answer
Incorrect. Tries 2/99 Previous Tries
Calculate the number of grams of CaCO3 present and convert to mg. (enter your answer with 3 significant figures)
1,772
FEB
13
étv
MacBook Air
000
esc
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