Found inside – Page 374... line delivering 5,00,000 litres per 24 hr , the weight of chlorine required would be5 x 5,00,000 = 2.5 kg per day 1,000,000 This calculation is based on ... Found inside – Page 370One litre of sample is kept in each beaker and these are placed in multiple ... Calculate chlorine demand as follows . mg / l chlorine demand = mg / l ... Found inside – Page 9If chlorine were 100 percent strength as it comes out of the bottle, that would be all there is to this calculation. ... Therefore, 7.23 ppm is our true chlorine strength in the example of 25,000 gallons (94.6 cubic meters or 94,625 liters) of water. Found inside – Page 447The water coming from a large reservoir is being treated with 0.20 ppm ( parts per million ) of chlorine . Calculate the number of grams of chlorine required each hour when water is being pumped from the reservoir at a rate of 300,000 litres per ... Found inside – Page 114Box I: Calculation of chlorine required to batch dose a 15,000 litre water tanker An influx of refugees is putting additional stress on a local city public ... Found inside – Page 2-41Calculate the degree of dissociation of chlorine gas at this temperature ( Mol. ... An ideal gas initially having a volume of 20 litres at 27 ° C and a ... Found inside – Page 370One litre of sample is kept in each beaker and these are placed in multiple ... Calculate chlorine demand as follows . mg / l chlorine demand = mg / l ... Found inside – Page 47Calculate the density of hydrochloric acid , and find the number of litres in 400.5 grammes of the compound . 2. What volume and weight of chlorine and of hydrogen can be got from 250 litres of hydrochloric acid by electrolysis ? 3. What weight ... Found inside – Page 625Example 9.31. for disinfecting 5 million Calculate litres the of quantity b water lic ... per year The dose of chlorine has to be 30% of available chlorine. Found inside – Page 43The total weight of chlorine absorbed durOperation of the Bleach Plant ing the test was arrived at by adding together the net ... grams per litre , depending upon the amount of excess lime present , the chlorine supply is shut off , the circulation stopped and the liquor allowed to settle . ... BLEACH HOUSE In calculating the efficiency of absorption , the actual weight of chlorine charged into the system was ... Found inside – Page 177Calculate the constants of the van der Waals equation for ethane and the ... Calculate the pressure of 453.6 kg of chlorine in a ten litre vessel at ... Found inside – Page 120120 Table 7.2 Preparation of 1% chlorine stock solution1 To make 1 litre of the ... Calculate the amount of 1% chlorine solution needed for the quantity of ... Found inside – Page 304Ex . 2 : Calculate the number of atoms in 3.55 gm of chlorine . ... hydrogen = 2 gm . of hydrogen = 22.4 litres at NTP 5.6 gm . of hydrogen = 62.72 litres ... Found inside – Page 266Calculate the root mean square velocity of chlorine kept in a closed ... The density of a gas X , at 10 ° C and 1.2 atmosphere pressure is 5.3 g / litre . Found inside – Page 924In some parts of the Mediterranean the chlorine is as high as 22 grams per litre , and increases distinctly from west to east ... quantity of chlorine present leads to the following empirical rule for calculating the density from the amount of chlorine ... Found inside – Page 163( 2 marks ) b Calculate the angle made by the sloping floor with the Figure ... of 8 ppm ( parts per million ) , how many litres of chlorine are required ? Found inside – Page 924In some parts of the Mediterranean the chlorine is as high as 22 grams per litre , and increases distinctly from west to east ... quantity of chlorine present leads to the following empirical rule for calculating the density from the amount of chlorine ... Found inside – Page 44Available chlorine Days to rating' (mg per litre) 3 4 5 6 1.3 (tap water control) 9.0 ... This calculation gives shelf-life (time to reach a rating of 6), ... Found inside – Page 41Show working for complete credit : (i) Calculate the mass of Calcium that will ... 4 g 1002.623 × (ii) If 6 litres of hydrogen and 4 litres of chlorine are ... Found inside – Page 158Calculate the power required for flocculation and the velocity gradient. ... what is the chlorine dosage in kg. per million litres of water chlorinated. Found inside – Page 35For a workshop the maximum allowable concentration of chlorine is 1 mg/m”. ... C. PowiaeH's [4] pollution formula, and compared the results with actual ... Found inside – Page 578Jar test, chlorine demand and residual chlorine. ... aluminium sulphate); lime stock solution (mix 1.0 g dehydrated lime with 1 litre dist, water. Found inside – Page 589The following example , showing the methods of calculating the results , is taken from Winkler , the data for the gases being corrected to the real litre weights . The free chlorine was determined by an arsenious acid solution , of which I c.c. ... Found inside – Page 10-105CHLORINE DEMAND Polluted waters such as sewage , effluents , trade wastes ... Calculation 1000 mL of standard chlorine water x grams chlorine per litre in ... Found inside – Page 163and the hypochlorite has 65% available chlorine, how many lb/day of hypochlorite will be required? Solution: First calculate the lb/day chlorine required ... Found inside – Page 244The number of } c.c. used indicates directly the number of chlorimetrical degrees ( see note ) , that is , litres of chlorine gas ... as the following calculation shows : suppose 40 c.c. of solution of arsenious acid have been used , then the amount of ... Found inside – Page 306Calculate the chlorine concentration in i moll - 1 ii gl ? ( SQA ) 3 In an experiment to measure the ozone concentration in air , 1 x 105 litres of air were ... Found inside – Page 164( 2 marks ) b Calculate the angle made by the sloping floor with the Figure ... of 8 ppm ( parts per million ) , how many litres of chlorine are required ? Found inside – Page 22Some useful equations for the calculation of the quantities of hypochlorite required to obtain final concentrations ( mg / litre ) and for determination of the quantity of thiosulphate needed to neutralize the residual chlorine in a given volume of ... Found inside – Page 100The gases chlorine , nitrogen , ammonia and sulphur dioxide are collected under the same conditions of temperature and pressure . If 20 litres of nitrogen ... Found inside – Page 103Calculate. → 2HCl. Ans. H2 + Cl2 (i) The mass of oxygen present in the cylinder. 4 litres of chlorine will react with 4 litres of (ii) The volume of ... Found inside... expressed in the following formula: One litre of water weighs 1000 grams. ... of chlorine, i.e., there is only one gram of chlorine in every ten litres ... Found inside – Page 490The following volumes of these solutions were consumed per litre of unabsorbed gas . ... To calculate the volume of the hydrochloric acid present , since its weight corresponds to half that of the total chlorine in the gases , it is , 0.250 = 0.125 g . Found inside – Page 276Or , to make 1000 litres of chlorine gas , there From this it appears that ... of the common 74 : 36 ° chlorine = 130.720 muriatic acid salt to calculate ... Found inside – Page 127What should be the molecular formula of x ? og 34. How many molecules of hydrogen chloride can be synthesized from 89.6 l of chlorine gas at STP ? 35. Found inside – Page 114Example 7.2 Chlorine usage in the treatment of 20,000 cubic meter per day is ... Calculate the dosage in milligrams per litre and chlorine demand of water. 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