please explain everything on how its done. homework practice **Determining Total Hardness (TH) of Water Using Ion Concentrations****Problem Statement:**What is the total hardness (TH) of water that contains the following ion concentrations (pH = 7)?**Ion Concentrations Table:**| Species | Molecular weight (g/mol) | Concentration (mg/L) ||---------|--------------------------|----------------------|| Na⁺ | 23 | 56 || Ca²⁺ | 40 | 40 || Mg²⁺ | 24 | 30 || HCO₃⁻ | 61 | 190 || Cl⁻ | 35.5 | 165 || Al³⁺ | 27 | 30 |**Multiple Choice Options for Total Hardness (TH):**a. 4.5 meq/L b. 625 mg/L as CaCO₃ c. 225 mg/L as CaCO₃ d. 7.8 meq/L e. 5.4 meq/L **Explanation:** To calculate the total hardness, consider the contribution of calcium (Ca²⁺) and magnesium (Mg²⁺), as these ions are primarily responsible for water hardness. Calculate their equivalent hardness in terms of milliequivalents per liter (meq/L) and then convert to mg/L as calcium carbonate (CaCO₃) if necessary.**Note:** The provided options involve different units and expressions for total hardness, which should align with standard calculations and conversions in water chemistry.

www (pH=7). What is the total hardness (TH) of water that contains the following ion concentrations Species Nat Ca2+ Mg2 HCO3* CF A/3+ Molecular weight (g/mol) 23 40 24 61 35.5 27 a. 4.5 meq/L b. 625 mg/L as CaCO3 c. 225 mg/L as CaCO3 d. 7.8 meq/L e. 5.4 meq/L Concentration (mg/L) 56 40 30 190 165 30

www (pH=7). What is the total hardness (TH) of water that contains the following ion concentrations Species Nat Ca2+ Mg2 HCO3* CF A/3+ Molecular weight (g/mol) 23 40 24 61 35.5 27 a. 4.5 meq/L b. 625 mg/L as CaCO3 c. 225 mg/L as CaCO3 d. 7.8 meq/L e. 5.4 meq/L Concentration (mg/L) 56 40 30 190 165 30

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

List five sports-related products that you think should be designed to make playing sports more fun.
Are household density high or low in Detroit Michigan?
What are the requirements for fire safety in buildings with lighting safety certifications?
discuss the fire safety and prevention measures you can adopt in a building construction. give some examples and new ideas.
What is public safety and what does it look like in NYC?
Suppose you are assigned to construct a clean room. Design a plan layout for clean room, describing all the areas. Please answer at your own words.
What the requirements for the Plumbing Design for water supply? What the requirements for Plumbing Design for drainage systems? What the requirements for acoustical control in buildings? What are some types of Mechanical System Design in buildings? Kindly answer all the questions. Thank you.
Design a safety poster illustrating four types of safety signs and colours.
Please include a reference for each question.
Interpret plumbing supply and DWV system design and detailing information.
What is OSHA and Construction Safety?