The Professor demonstrated the proper application of the procedure by analyzing a 50 mL sample of water from a local lake (Rivers Parkway) via titration with a standard solution of EDTA 0.0100 +0.0001 M standard. This sample consumed 5.00 mL to reach the Total Hardness (TH) end point; therefore, the TH of the lake was determined to be XX ± YY mg/L as CaCO₂.

The Professor demonstrated the proper application of the procedure by analyzing a 50 mL sample of water from a local lake (Rivers Parkway) via titration with a standard solution of EDTA 0.0100 +0.0001 M standard. This sample consumed 5.00 mL to reach the Total Hardness (TH) end point; therefore, the TH of the lake was determined to be XX ± YY mg/L as CaCO₂.

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

true or false Iodine was placed into a test tube containing 2.0 mL of water and 2.0 mL of CCl4. The iodine will dissolve into the CCl4 layer.
A//If the concentration of Ca is 56.4 mg/L and of Mg is 8.8 mg/L in water, what is the total hardness of the water expressed in rng/L of caco;?
Question 1 d. A soll sample weighs 1.5 N. Its clav fraction weighs 0.34 N. If its liquid limit is 60% and its plastic limit is 26%, comment on the swell-shrink potential of this sonl. ng a water content of 15% and a
Water analysis was carried out for a groundwater sample. The sum of the anions is equal to the sum of the cations. Calculatea) Total hardnessb) Carbonate and Non-Carbonate Hardness Hardnessc) Alkalinity
Problems Pressure, o' (kg/cm?) Final height of specimen (cm) 1.9 0.25 1.763 0.5 1.742 1.0 1.702 2.0 1.656 4.0 1.604 8.0 1.550 The height of the specimen at the beginning of the test was 1.9 cm, and the diameter was 6.35 cm. The mass of the dry specimen was 91 g. Estimate the compression index and the preconsolidation pressure from the e - log o' curve. Given: G, = 2.72.
Find the Cu of the given sample. identify the answer in this choices. Weight Percentage Cumulative Percentage Sieve retained finer S.NO Weight retained (gm) percentage retained (C)N = (100 - C) Select one: size (gm) {W,/ W,}x 100 O a. 8.98 1 75mm 100 O b. 18.33 63mm 100 О с. 2.92 3 50mm 100 O d. 6.22 4 37.5mm 454 22.7 22.7 77.30 28mm 285 14.25 36.95 63.05 20mm 207 10.35 47.30 52.70 7 14mm 318 15.90 63.20 36.80 8 10mm 206 10.30 73.50 26.50 9 6.3mm 118 5.90 79.40 20.60 10 5.0mm 102 5.10 84.50 15.50 11 3.35mm 64 3.20 87.70 12.30 12 2.0mm 88 4.40 92.10 7.90 13 1.18mm 35 1.75 93.85 6.15 14 600µ 42 2.10 95.15 4.85 15 300µ 33 1.65 97.60 2.40 16 150µ 18 0.90 98.50 1.50 17 75µ 22 1.10 99.6 0.40 18 Pan 8 0.40 100 In the pan we have = 100 W,= 2000 -99.6 = 0.4 % of material 2. 5.
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.
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
Which type of sample of the same weight will reach EMC fastest in the same RH? Place in the order from fastest to slowest. Fastest = ◆ -> ◆ -> wood powder wood chips wood block ◆ = Slowest
lon concentrations obtained for a ground water sample (having pH = 8.1) are given below Ca2+ Mg2+ Na+ HCO3- SO4²- CI- 2- Ion Ion concentration 100 6 (mg/L) Atomic weight Ca 40 Mg = 24 15 Na || 23 250 H= 1, C 16 12, 45 S = 32, O =16 39 CI= 35.5 Carbonate hardness (mg/L as CaCO3) present in the above water sample is
4) Calculate the amount of water necessary for slaking a quicklime obtained from a 1000 kg limestone with 5% (by weight) impurities. Is this amount larger or smaller than is necessary for a quicklime obtained from a pure limestone? (Ca:40, C:12, O:16, S:32, H:1)
In determination of Hardness, If the volume of EDTA (0.02N) is 17.8 mL, the Volume of sample is 20 mL and the EW of CaCO3 is 50.Calculate the total hardness as mg (CaCO3)/L