A water sample (pH=7.8) contains 94mg/L of calcium, 28mg/L of magnesium, 14mg/L of sodium and 31mg/L of potassium. What is the total hardness (TH) in (a) meq/L and (b) mg/L as CaCO3. Besides, what is the alkalinity of sample if presence of 135mg/L HCO₂ and 134mg/L of SO (Given: MW of Ca=40, K-39.1, S-32, Mg-24.3, Na-23, 0-16, C=12, H=1)

A water sample (pH=7.8) contains 94mg/L of calcium, 28mg/L of magnesium, 14mg/L of sodium and 31mg/L of potassium. What is the total hardness (TH) in (a) meq/L and (b) mg/L as CaCO3. Besides, what is the alkalinity of sample if presence of 135mg/L HCO₂ and 134mg/L of SO (Given: MW of Ca=40, K-39.1, S-32, Mg-24.3, Na-23, 0-16, C=12, H=1)

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter16: Applications Of Neutralization Titrations

Section: Chapter Questions

Problem 16.20QAP

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