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A pond water sample was found to have 16 mg CaCO, in a 100.0 mL sample. Calculate the concentration of CaCO, in units of grains per gallon. concentration of CaCO, gpg What is the hardness classification based on the scale given in Table 1 of the lab procedure? very hard O moderately hard soft slightly hard hard

A pond water sample was found to have 16 mg CaCO, in a 100.0 mL sample. Calculate the concentration of CaCO, in units of grains per gallon. concentration of CaCO, gpg What is the hardness classification based on the scale given in Table 1 of the lab procedure? very hard O moderately hard soft slightly hard hard

Chemistry
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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Water Hardness Scale gpg mg/L CaCO: or ppm CaCO3 Classification less than 1.0 less than 17.1 Soft 1.0 - 3.5 3.5 - 7.0 7.0 - 10.5 Slightly Hard Moderately Hard Hard 17.1 - 60 60 - 120 120 - 180 over 10.5 over 180 Very Hard Table 1: Classification of WVater Hardness. Fairfax Water
Transcribed Image Text:Water Hardness Scale gpg mg/L CaCO: or ppm CaCO3 Classification less than 1.0 less than 17.1 Soft 1.0 - 3.5 3.5 - 7.0 7.0 - 10.5 Slightly Hard Moderately Hard Hard 17.1 - 60 60 - 120 120 - 180 over 10.5 over 180 Very Hard Table 1: Classification of WVater Hardness. Fairfax Water
A pond water sample was found to have 16 mg CaC0, in a 100.0 mL sample. Calculate the concentration of CaCO, in units of grains per gallon. concentration of CaCO, gpg What is the hardness classification based on the scale given in Table 1 of the lab procedure? very hard moderately hard soft slightly hard hard
Transcribed Image Text:A pond water sample was found to have 16 mg CaC0, in a 100.0 mL sample. Calculate the concentration of CaCO, in units of grains per gallon. concentration of CaCO, gpg What is the hardness classification based on the scale given in Table 1 of the lab procedure? very hard moderately hard soft slightly hard hard
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