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Lead poisoning in children used to be treated with intravenous injections of EDTA. If the concentration fo EDTA in the blood of a patient is 2.80 x 10^-8 M and the formation constant for the complex, [Pb(EDTA)]2-, is 2.00 x 10^18, what is the concentration ratio of the free (and potentially toxic) Pb2+ (aq) in the blood to the much less toxic Pb 2+ - EDTA complex?
The hot combustion product gas passes through a boiler in which heat transferred from the gas converts boiler feedwater into steam. a) Calculate the concentration of CO (ppm) in the stack gas.
Assuming standard conditions, arrange the following in order of decreasing strength as oxidizing agents in acidic solution
Calculate the amount of heat required to completely sublime 23.0g of solid dry ice (CO2) at its sublimation temperature
Carbon and silicon belong to the same group and are known to have similar properties. Do you think that silicon can replace the role that carbon plays
The barium salt was found to have two mole of water of hydration per Ba ion and the acid is mono basic. What is molecular weight of anhydrous acid.
The first-order rate constant for the decomposition of N2O5, 2N2O5 --> 4NO2 + O2 at 70 degrees C is 6.82 * 10 ^-3 . Suppose we start with 2.90×10?2 of in a volume of 1.7 L. A)
Calculate the half cell potential for the reduction of Pb(II) to metallic Pb(I) in a saturated Lead(II) sulfate solution
The quantity of atmoshperic SO2 (g) can be determined by reaction with H2O2 (aq), according to the balanced chemical equation...
What is the percent by mass of NaHCO3 in a solution containing 80 g of NaHCO3 dissolved in 600 mL of H2O?
What mass of solid sodium formate (of MW 68.01)must be added to 115 mL of 0.57 mol/L formic acid (HCOOH) to make a buffer solution having a pH of 4.16? Ka = 0.00018 for HCOOH.
In an acidic solution (with an excess of iodate), the titration of a 25 mL sample of potassium iodide required 26.51 mL of 0.0949M sodium thiosulfate titrant.
In a reaction between pure acetic acid and sodium bicarbonate, 10.1 grams of sodium bicarbonate was added to 21.0 mL of acetic acid. Which reactant is the limiting reactant in this reaction?
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