Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN: 9781259696527
Author: J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher: McGraw-Hill Education
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![**Water Quality Analysis**
A public utility announces the monthly average concentrations of several ionic species in the drinking water. The list is given below (atomic weights are given in parentheses):
- **Calcium (40):** 8.6 mg/L
- **Magnesium (24):** 0.77 mg/L
- **Potassium (39):** 0.64 mg/L
- **Sodium (23):** 3.7 mg/L
- **Chloride (35.5):** 3.0 mg/L
- **Fluoride (19):** 0.84 mg/L
- **Sulfate (S = 32; O = 16):** 3.4 mg/L
**pH = 8.46**
a) What is the ratio of \([ \text{HCO}_3^- ]/[ \text{CO}_3^{2-} ]\) in this water?](https://content.bartleby.com/qna-images/question/24a60763-065d-4deb-b582-ca07220062f2/d339567d-cbe5-486d-96ae-24bf3f79cafa/ka4i28_processed.png)
Transcribed Image Text:**Water Quality Analysis**
A public utility announces the monthly average concentrations of several ionic species in the drinking water. The list is given below (atomic weights are given in parentheses):
- **Calcium (40):** 8.6 mg/L
- **Magnesium (24):** 0.77 mg/L
- **Potassium (39):** 0.64 mg/L
- **Sodium (23):** 3.7 mg/L
- **Chloride (35.5):** 3.0 mg/L
- **Fluoride (19):** 0.84 mg/L
- **Sulfate (S = 32; O = 16):** 3.4 mg/L
**pH = 8.46**
a) What is the ratio of \([ \text{HCO}_3^- ]/[ \text{CO}_3^{2-} ]\) in this water?
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