Answered: Determine the exact and approximate…

Determine the exact and approximate alkalinity of a water sample that contains 120.0 mg/L of (CO3)^2- and 75.0 mg/L of (HCO3)^- at a pH of 9.7 at 25 degrees Celcius

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Related questions

Q: The moisture content of a sludge is 95% with a volume of 1000 m³. If the volume of dewatered sludge…

A: Moisture content of a sludge- P1 = 95 % Volume- V1 = 1000 m3 The volume of dewatered sludge is only…

Q: 9. A core sample is saturated with Oil, Gas and Water , the initial weight of the saturated sample…

A: Given data - bulk volume of sample = 100 cc Initial weight of saturated sample is 220 gm Increased…

Q: A mixed liquor sample form an activated sludge plant was settled in a one-litre measuring cylinder…

Q: Available chlorine in bleaching powder solution is 0.5mg/ml. To obtain a chlorine dose of 0.1 mg/1…

Q: Question - In a sludge digestion tank, if the moisture content of sludge is reduced from 90% to 80%…

A: Given data- Initial moisture content p1=90%Final moisture content p2=80%To Find-The percentage…

Q: What will be the influence of using more alkaline/acidic water in boilers? Discuss the type of…

A: (C) Introduction : Hard water, which contains minerals such as calcium and magnesium, can corrode…

Q: 100-mL water sample is mixed with 200 mL of deionized water for BOD analysis. The DO of the mixture…

Q: if temperature of a water sample is 20C and salinity is 30 ppt, what is the max concentration of…

Q: In a sludge digestion tank, if the moisture content of sludge is reduced from 90% to 80% then th…

Q: The water hardness in an area is reported as 700 ppm total dissolved solids. This is the same…

A: Hardness = 700 ppmWe need to convert the hardness from ppm to %

Q: sed to describe the ability of the soil to resist sudden change in soil reaction/pH where H+ from…

A: The amount of hydroxide ions needed so that pH value changes by unit 1 is known as buffer capacity.…

Q: Fresh sludge has moisture content of 99% and, after thickening, its moisture content is reduced to…

A: Given- For fresh sludge- moisture content- w1=99%, For thickened sludge- moisture content- w2=96%.…

Q: Biochemical Oxygen Demand A water sample was incubated at 20 °C for 3 days and its BOD3…

A: Using formula to find ultimate BOD

Q: A river with 400 ppm of salt (a conservative substance) and a flow of 25.0 m3/s receives…

A: Given:- The concentration of salts in a river = (C1) = 400 ppm The flow rate of the river = (Q1) =…

Q: Fresh sludge has moisture content of 99% and, after thickening, its moisture content is reduced to…

A: Given that :- Fresh sludge has moisture content w1=99% After thickening moisture content = w2=96% To…

Q: Please solve all points

A: Approach to solving the questions 1) Answer - non-carbonate hardness in water typically arises…

Q: 1. If concentration of Na+, Cat+ and Mg++ in a water sample are 345, 60 and 18 mg/I respectively,…

Q: 8. A laboratory provides the following analysis obtained from a 50-ml sample of raw water: Ca - 60…

Q: 8. A 100 mL water sample contains 60 mg/L calcium and 15 mg/L magnesium. What is the total hardness…

Q: A groundwater sample was found to contain 500 mg/L total dissolved solids (TDS). TDS (in %) present…

A: Given data: Total dissolved solids, TDS = 500 mg/L

Q: Untreated water sample from the Kerian River, Parit Buntar has the following chemical composition: V…

A: The flow of fluid includes movement of an unbalanced fluid. As long as unequalled forces are in…

Q: The concentration of dissolved oxygen in a sample of waste water decreases from 9 x 10^3 g/L to 6.2…

A: Given data, Initial Concentration of DO = 9×103 g/l Final Concentration of DO = 6.2×103 g/l Number…

Q: If 19.3mL of the standardized Na2S2O3 solution was used in determining the DO, what is the DO…

A: 0.01 N Na2S2 O3 is used in titration to decolorized the blue solution and the volume of 0.01N Na2S2…

Q: Section 3: Aeration and Gas Transport a) How would you explain air-filled porosity for clayey soils…

A: Aeration refers to the process of supplying air or oxygen to a soil or other medium to improve its…

Q: lon concentrations obtained for a ground water sample (having pH = 8.1) are given below Ion Ca²+…

A: To Determine :- Carbonate hardness present in the given water sample.

Q: A dry soil sample 5.00 g was weighed into a flask, which contained 100.0 ml 241 uM OFG aqueous…

Q: 8.7. Plot an adsorption envelope with error bars using the data in the table presented here, which…

A: Given data for the following nNO3 (mmol/kg) pH nNO3 (mmol/kg) pH 6.6 ± 0.3 2.5 3.5 ± 0.3 3.9…

Q: 3.2 If an ion exchange water softener has 0.2 m' of ion-exchange resin with an exchange capacity of…

A: 3.2)

Q: (b) Yield of BOD analysis at 20°C with dilution factor, p=0.1 are as tabulated in Table Q2. Table Q2…

Q: Q1. Water has the following composition: calcium = 92 mg/L, magnesium = 31 mg/L, sodium = 16 mg/L,…

Q: concentration was found to be 150 mg/L. Given k20°c = 0.20/day (base e) and temperature coefficient…

A: Given data- BOD of 3 days at 20° C = 150 mg/L K 20° C = 0.20/day temperature coefficient for…

Q: 3. The dissolved solids content is determined by filtering a portion of the sample through a glass…

Q: 1. The lab placed a sample in an evaporation dish and evaporated it at 105°C finding that the dish…

A: Given, Design flow, Q = 20 mgd or 20 x 106 gallons Volume of sample, V = 90 ml or 0.09 Liter NOTE…

Q: OD of a wastewater sample is determined by incubating the BOD bottles at four different…

A: Ultimate BOD is independent of temperature.

Q: TABLE Q1(c) Ion Concentration, mg/L Ca2+ 150 Mg 60 HCO,- 39.0 24.5 pH 10 (Ca2+ = 40.1, Mg²+ = 24.3,…

Q: a) Write down the chemical equations for the reactions that take place in the DO test. b) Discuss…

A: Find:The chemical equations for the reactions that take place in the DO test. The environmental…

Q: disk, drying the disk at 105°C, and igniting the residue by placing the dried sample in a muffle…

A: The volume of the sample, V = 30 mLmass of filter dish, mass of dish+ dry solid, mass of sish+…

Concept explainers

Storm Sewers and Detention

The storm drains system transports rainwater or stormwater and other runoff from roads, parking lots, and roof downpipes directly to nearby creeks, rivers, or the sea without any treatment.

Question

100%

Determine the exact and approximate alkalinity of a water sample that contains 120.0 mg/L of (CO3)^2- and 75.0 mg/L of (HCO3)^- at a pH of 9.7 at 25 degrees Celcius

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.

Similar questions

Given the following octanol water partition coefficients (Kow), indicate for which compounds is soil vapor extraction (SVE) a candidate process for removing the compound from the vadose zone of a contaminated soil. Assume that low values of Kow are <10. Provide a relative ranking of contaminants in terms of potential efficiency for SVE treatment. Compound Log Kow Trichloroethene 2.38 4.88 6.01 1.38 3.15 1.46 3.9 6.19 0.26 Pyrene PCBs Vinyl chloride Ethyl benzene Phenol Lindane DDT 2-Butanone (methyl ethyl ketone)
A seawater sample has a chlorinity of 2.8 percent. Calculate its salinity in parts-per-thousand (ppt) using Forchhammer’s principle. Show your calculations.
Which type of Acidity is fit for drinking water
Note: Read the question carefully and give me right solution according to the question. I want clear solution with clear steps. A water contains 38.50 mg/L as CaCO3 of carbon dioxide, 288.00 mg/L as CaCO3 of Ca2+ and 53.00 mg/L as CaCO3 of Mg2+. All of the hardness is carbonate hardness. Using the stoichiometry of the lime soda ash softening equations, what is the daily sludge production (in dry weight, kg/day) if the plant treats water at a rate of 56.00 MGD? Assume that the effluent water contains no carbon dioxide, 30.0 mg/L as CaCO3 of Ca2+ and 10.0 mg/L as CaCO3 of Mg2+. Be sure to calculate the mass of CaCO3 and Mg(OH)2 sludge produced each day.
I need the answer as soon as possible
In determination of Acidity experiment, If the volume of 0.02N NaOH when use Methyl Orange (M.O) is 0.8 mL and 7.8 mL when use Phenolphthalein (Ph.Ph), the volume of sample is 25mL and the EW for CaCO3 is 50. The Mineral Acidity as mg (CaCO3)/L is
Pls ans soon
1. The following information is provided for an activated sludge system design: Parameter Symbol Value Units Flow rate Q 10000 m³/d Influent BOD So 150 mg/L Effluent BOD S 2 mg/L Hydraulic residence time Ꮎ 4 hr Mean cell residence time Oc 6 d Maximum specific growth rate μm 3 1/d Half saturation constant Ks 40 mg/L Yield coefficient Y 0.5 Endogenous decay coefficient b 0.08 1/d Death rate coefficient γ 0.04 1/d Determine: a) The aeration tank biomass concentration (X) in mg/L b) The aeration tank oxygen requirement in kg/d c) The rate of biomass wasting in kg/d
You are studying the mineralogy of a soil and have made the following measurements in the lab: The soil is composed of 64% clay, with 3% organic matter. The soil pH is 6.5. The total soil CEC is 70 cmolc/kg. Using the assumption that the CEC of organic matter is 150 cmolc/kg at pH 6.5. please determine the most likely kind of clay mineral that is present in the soil sample. allophane gibbsite ilite O smectite Cation exchange occurs because cations are bound to soil colloids through O inner sphere complexes O cation bridging pH dependent complexes outer sphere complexes
The analysis of water quality from an artesian well presented the result Alkalinity atbicarbonates equal to 24 (mg/L CaCO3), the pH of 7.0, the concentration of Ca+2 equal to 14 mg/L and theMg+2 concentration equal to 20 mg/L.Knowing that the equivalent weight of CaCO3 is equal to 50, of Ca+2 equal to 20 and of Mg+2 equal to 12.It is concluded that the permanent and temporary hardness, respectively, are: (A) 24mg/L (CaCO3) e 118 mg/L (CaCO3).(B) 94 mg/L (CaCO3) e 24 mg/L (CaCO3).(C) 24 mg/L (CaCO3) e 94 mg/L (CaCO3).(D) 94 mg/L (CaCO3) e 118 mg/L (CaCO3).
From water sample, 25 mg/L HCO3" as CacO3, 10 mg/L C032 as Caco3 and 50 mg/L Ca* as CaCO3 were measured. pH was near neutral. What is alkalinity? () mg/L as Cac03 (*Answer in whole number only)