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As a chemist for an agricultural products company, you have just developed a new herbicide,"Herbigon," that you think has the potential to kill weeds effectively. A sparingly soluble salt, Herbigon is dissolved in 1M acetic acid for technical reasons having to do with its production. You have determined that the solubility product Ksp of Herbigon is 8.80×10?6. Although the formula of this new chemical is a trade secret, it can be revealed that the formula for Herbigon is X-acetate (, where "X" represents the top-secret cation of the salt). It is this cation that kills weeds. Since it is critical to have Herbigon dissolved (it won't kill weeds as a suspension), you are working on adjusting the pH so Herbigon will be soluble at the concentration needed to kill weeds. What pH must the solution have to yield a solution in which the concentration of X+ is 5.50×10?3 M? The pka of acetic acid is 4.76. pH=?
A gas temperature at 100C occupies a volume of 154 mL. What will the volume be for the same amount of gas at a temperature of 10C, assuming no change in pressure?
Calculate the volume of 1M solution of HCl needed for 1 unit shift of the pH of thhe following solutions:
a sample of chlorine gas occupies a volume of 946ml at a pressure of 726mmhg. Calculate the pressure of the gas in (in mmhg) if the volume is reduced at constant temperatures to 154ml.
Which is the stronger base, HSO4- or H2O? b. Which is the stronger base, H2O or OCl-?
Under What circumstances is it possible for the requirements for chirality at a carbon atom to be satisfied but for a molecule containing
Compute the pH if NaOH solution of the 10.00 mL has been mixed. pKa of HCOOH = 3.74
calculate the molar solubility of silver iodide in 3.0 M NH3. overall formation constant for Ag(NH3)2" is 1.7 x 10^7
A 50.0 L cylinder contains nitrogen gas at a pressure of 21.5 atm. The contents of the cylinder are emptied into an evacuated tank of unknown volume. If the final pressure in the tank is 1.55 atm, then what is the volume of the tank
Compute the enthalpy change for the dissolution of ammonium nitrate express your answers in units of kJ/mol.
The solid KIO3 is diluted shy of the 100mL mark in the volumetric flask. does this technique error result in a reported molar concentration of KIO3 that is too high or too low
How much heat must be supplied at 1000 degrees C if 1000 J of useful work is to be done by the engine?
The citric acid cycle has a catabolic role, oxidizing acetate into CO2 and generating energy, and an anabolic role. Many of the citric acid cycle intermediates serve as precursors for the biosynthesis of larger molecules. Move each of the followin..
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