Two aqueous hydrogen bromide solutions containing 12.0 wt% hbr (sg = 1.1377) and 40.0 wt% hbr (sg = 1.3736) are mixed to form a 3.90 molar hbr solution (sg = 1.1234). what feed rate of the 40.0 wt% hbr solution would be required to produce 1.00 x 108kg/hr of product? number 01/ what is the feed ratio of liters of 12.0 wt% hbr solution to liters of 40.0 wt% hbr solution? number previous give up & view solution check answer next exit hint draw and label the flow diagram for this process. find the mass percent of hbr in the product solution. molarity is moles solute per liter of solution. use the molar mass of hbr (80.9119 g/mol) and the specific gravity of the solution to convert the given molarity to a mass percent of hbr.

13. calculate the initial concentration (before precipitation) of carbonate ions after the addition of each 0.05 ml of solution b to the 1.00 l beaker of solution a. divide the work among group members and write the answers in the table in model 3. assume the volume change as solution b is added is negligible. 14. notice the initial concentrations of zn2+ - and cu2+ in the table in model 3. a. explain how these were obtained from the data in model 2. b. as solution b is added and precipitates form, do these initial concentrations change? 15. use the data in model 2 to indicate the presence of precipitate (either znco3 or cuco3) after each 0.05 ml addition of solution b in model 3. 16. use the initial concentrations of carbonate ions and zinc ions to calculate the reaction quotient, qsp for the zinc carbonate scenarios in model 3. divide the work among group members and write the answers in the table in model 3. 17. use the initial concentrations of carbonate ion and copper(ii) ions to calculate the qsp for the copper(ii) carbonate scenarios in model 3. divide the work among group members and write the answers in the table in model 3.

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