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19. What amount of lime and/or soda ash, in mg/L as CACO3, is required to soften the Village of Lime Ridge's water to less than 120 mg/L hardness as CaCO3?

19. What amount of lime and/or soda ash, in mg/L as CACO3, is required to soften the Village of Lime Ridge's water to less than 120 mg/L hardness as CaCO3?

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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The image contains data related to water hardness and softening from an examination of the Village of Lime Ridge's water. The following information is presented in a tabular format: ### Table: Water Composition | Compound | Concentration (mg/L as CaCO₃) | |----------|------------------------------| | CO₂ | 4.6 | | Ca²⁺ | 257.9 | | Mg²⁺ | 22.2 | | HCO₃⁻ | 248.0 | | SO₄²⁻ | 32.1 | ### Question "Q.19 What amount of lime and/or soda ash, in mg/L as CaCO₃, is required to soften the Village of Lime Ridge’s water to less than 120 mg/L hardness as CaCO₃?" This table and question are likely used in an educational context to illustrate the process of calculating the amount of treatment needed to reduce water hardness through chemical means, involving compounds like lime and soda ash.
Transcribed Image Text:The image contains data related to water hardness and softening from an examination of the Village of Lime Ridge's water. The following information is presented in a tabular format: ### Table: Water Composition | Compound | Concentration (mg/L as CaCO₃) | |----------|------------------------------| | CO₂ | 4.6 | | Ca²⁺ | 257.9 | | Mg²⁺ | 22.2 | | HCO₃⁻ | 248.0 | | SO₄²⁻ | 32.1 | ### Question "Q.19 What amount of lime and/or soda ash, in mg/L as CaCO₃, is required to soften the Village of Lime Ridge’s water to less than 120 mg/L hardness as CaCO₃?" This table and question are likely used in an educational context to illustrate the process of calculating the amount of treatment needed to reduce water hardness through chemical means, involving compounds like lime and soda ash.
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