Draw a bar diagram on your sketch paper based on the table below and determine the non-carbon hardness (permanent hardness) in mg/L of CaCO3. Atomic weight Equivalent weight or molecular Concentration (mg/L) meq/L concentration (mg/meq) weight (g/mol) 100 Ca2+ 40 150 mg/L as CaCO3 150/50=3 (g/mol)/2(eq/mol)=50 Mg2+ 24 100 mg/L as CaCO3 100/50=2 Na+ 23 46 mg/L K* 39 39 mg/L HCO3 61 225 mg/L as CaCO3 225/50=4.5 So,2 96 72 mg/L CI 35.5 71 mg/L
Draw a bar diagram on your sketch paper based on the table below and determine the non-carbon hardness (permanent hardness) in mg/L of CaCO3. Atomic weight Equivalent weight or molecular Concentration (mg/L) meq/L concentration (mg/meq) weight (g/mol) 100 Ca2+ 40 150 mg/L as CaCO3 150/50=3 (g/mol)/2(eq/mol)=50 Mg2+ 24 100 mg/L as CaCO3 100/50=2 Na+ 23 46 mg/L K* 39 39 mg/L HCO3 61 225 mg/L as CaCO3 225/50=4.5 So,2 96 72 mg/L CI 35.5 71 mg/L
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Draw a bar diagram on your sketch paper based on the table below and determine the non-carbon
hardness (permanent hardness) in mg/L of CaCO3.
Atomic weight
Equivalent weight
or molecular
Concentration (mg/L)
meq/L concentration
(mg/meq)
weight (g/mol)
100
Ca2+
40
150 mg/L as CaCO3
150/50=3
(g/mol)/2(eq/mol)=50
Mg2+
24
100 mg/L as CACO3
100/50=2
Na+
23
46 mg/L
K+
39
39 mg/L
HCO3
61
225 mg/L as CaCO3
225/50=4.5
SO42-
96
72 mg/L
CI
35.5
71 mg/L
O 25 mg/L of CaCO3
O 50 mg/L of CaCO3
O 100 mg/L of CaCO3
O 150 mg/L of CaCO3
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