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Derive a titration curve for 50.00mL of 0.0100 M Sr2+ with 0.0200 M EDTA in a solution buffered to pH 11.0. Compute pSr values after the addition of 0.00, 10.00, 24.00, 24.90, 25.00, 25.10, 26.00 and 30.00mL of titrant.
The acid ionization constant of Fe(H2O)62+(aq) is 3E-6. Compute the pH of a 0.2 M aqueous solution of Fe(NO3)2. 5. Compute the solubility of Mg(OH)2 in a buffer solution at pH=10.31. The solubility product of magnesium hydroxide is 1.2E-11
Describe and explain the possible effect on your results of the following experimental errors or variations. In each case specify the component(s) whose percentage(s) would be too high or too low.
What is the partial pressure of Br2 at equilibrium? What is the partial pressure of I2 at equilibrium? What is the partial pressure of IBr at equilibrium?
Add HCl or NaOH to 1.00 L of 1.00 mol L-1 HA(aq) to obtain a solution with a pH of 4.00 at 25oC? How many moles of HCl or NaOH are required
Write the complete mechanism for the reaction of the above molecule with HCl. Used curved arrows to indicate the formation or breakage of covalent bonds, label all charges, and show each step separately.
Chemical Reactions explained in this solution, 1. Some sulfuric acid is spilled on a lab bench. It can be neutralized by sprinkling sodium bicarbonate on it and then mopping up the resultant solution. The sodium bicarbonate reacts with sulfuric ac..
A brewery has a horizontal conveyor belt to transfer malted barley from a storage silo to the mash tun (the large vessel where the malted barley is steeped in hot water)
explain why in contrast to meso-stilbene dibromide the dibromidedl-stilbene dibromine colorless exists in two
The blade of an ice skate is ground to a knife edge on each side of the skate. If the width of the knife edge is 0.001in., and the length of the skate in contact with the ice is 3 in., calculate the pressure exerted on the ice by a 150lb man.
the volume of a gas is 93 mL when the temperature is 91C. If the temperature is reduced to 5C without changing the pressure, what is the new volume of the gas?
Run in the forward direction to restablish equilibrium. B. Run in the reverse direction to restablish equilibrium. C. Remain the same. Already at equilibrium. The concentration of CO will: A. Increase. B. Decrease. C. Remain the same
One form of hemoglobin is 0.345% Fe by mass, and each hemoglobin molecule contains four iron atoms. Calculate the molar mass of this form of hemoglobin.
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