Q1. Determine the amount of lime and/or soda ash, in mg/L as CaCO3, is required to soften a lakes water to less than 100 mg/L hardness as CaCO3 ? Mg2+ should be lowered till solubility limit. Ion Concentration meq/l CO2 0.1 Ca2+ 7.74 0.67 Mg2+ HCO3 7.44 Cl- NA

Q1. Determine the amount of lime and/or soda ash, in mg/L as CaCO3, is required to soften a lakes water to less than 100 mg/L hardness as CaCO3 ? Mg2+ should be lowered till solubility limit. Ion Concentration meq/l CO2 0.1 Ca2+ 7.74 0.67 Mg2+ HCO3 7.44 Cl- NA

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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Q1. Determine the amount of lime and/or soda ash, in mg/L as CaCO3 , is required to soften a lakes
water to less than 100 mg/L hardness as CaCO3 ? Mg2+ should be lowered till solubility limit.
Ion
Concentration meq/l
CO2
0.1
Ca2+
7.74
Mg2+
HCO3 7.44
0.67
Cl
NA

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