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A water contains 100 mg/l of Ca++, 23 mg/l of Na+, 24 mg/l of Mg++, 71 mg/l of Cl-, 96 mg/l of SO4--, 244 mg/l of HCO3- and 50 mg/l as CaCO3 of CO2. what is the total cation concentration in mg/l as CaCO3? what is the total hardness in mg/l as CaCO3? what is the total alkalinity in mg/l as CaCO3? what is the phenolphthalien alkalinity in mg/l as CaCO3? Calculate the total dissolved solids in mg/l. what is the ionic strength of water?
How did I get a greater than 100% recovery of benzoic acid?, To quickly summarize, the lab dealt with isolating benzoic acid from a mixture via chemically active extraction.
Describe the preparation of 1.50 L of a solution that is 12.0 ppm in K+, starting with solid K4Fe(CN)6.
When 49 mL of a solution containing 3.1 M AlCl3 is diluted to 53 mL, a dilute solution is formed. How many moles of Al3+ ions are contained in 14 mL of the dilute solution
What is the pressure of the gas in this mercury manometer if h = 73 mm and atmospheric pressure
Provide the name and structure of an herbicide not structurally related to those in this experiment, and indicate how the herbicide works
at 25 degrees C calcium fluoride has a solubility product constant Ksp= 3.0*10/\(-11). If enough CaF2 is added to saturate the following solutions, determine the equilibrium concentrations
explain the biochemical changes that takes place during the investment phase of glycolysis
Write the complete molecular formula and then completes ionic equations. Then write the net ionic equation.
When a Group III unknown was treated with an aqueous ammonia/ammonium chloride and ammonium carbonate, a white precipitate was produced.
Suppose that a car's starter motor draws 223 A of current for 6.0 s to start the car. What mass of Pb is oxidized in the lead-acid battery to supply this much electricity
Which statement best describes relationships in a modern periodic table? A.) Each transition element is placed in the column of the main group element that it most closely resembles.
Why must we the wavelength bet set to 447nm when the FeSCN2+ solution is an orange-brown colour
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