(c) An analysis of a water sample has produced the following concentrations, as shown in Table 1(c). Determine the following and comment on the result: (i) Total Hardness in mg/L as CaCO3 (ii) Carbonate Hardness in mg/L as CaCO3 (iii) Alkalinity in mg/L as CaCO3

(c) An analysis of a water sample has produced the following concentrations, as shown in Table 1(c). Determine the following and comment on the result: (i) Total Hardness in mg/L as CaCO3 (ii) Carbonate Hardness in mg/L as CaCO3 (iii) Alkalinity in mg/L as CaCO3

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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TABLE Q1(c)
Ion
Concentration, mg/L
Ca2+
150
Mg²*
60
HCO,?-
39.0
CO?-
24.5
pH
10
(Ca2+ = 40.1, Mg²+ = 24.3, Na* = 23.0, K* = 39.1, CI = 35.5, SO,²-= 96.0,
%3D
HCO3 = 61.0, O = 16, H = 1, CO3² = 60.0, H = 1, O = 16)

(c) An analysis of a water sample has produced the following concentrations, as shown in
Table 1(c). Determine the following and comment on the result:
(i) Total Hardness in mg/L as CaCO3
(ii) Carbonate Hardness in mg/L as CaCO3
(iii) Alkalinity in mg/L as CaCO3

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(c) An analysis of a water sample has produced the following concentrations, as shown in Table 1(c). Determine the following and comment on the result: (i) Total Hardness in mg/L as CaCO3 (ii) Carbonate Hardness in mg/L as CACO3 (iii) Alkalinity in mg/L as CACO3
A water sample was examined and following observations were made: Species Concentration(milliequivalent) Calcium, Ca2 10 Magnesium, Mg2 Chloride, Cl 4 Sulphate, SO,- 11 Use above data, and choose the correct statement(s). Permanent hardness is caused by NO3 , S042, ions. Correct Option B Carbonate hardness of sample is 150 mg/l as Caco3 Your answer is IN-CORRECT Special method such as base-exchange process can be used to remove permanent hardness. Your option is Correct D Non-carbonate hardness in a 200 ml sample of given water is 150 mg as CaCo3- Correct Option
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