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Certain salts of benzoic acid have been used as food additives for decades. The potassium salt of benzoic acid, potassium benzoate, can be made by the action of potassium permanganate on toluene.
C7H8 + 2 KMnO4 -------> KC7H5O2 + 2 MnO2 + KOH + H2O toluene potassium benzoate
If the yield of potassium benzoate cannot realistically be expected to be more than 68%, what is the minimum number of grams of toluene needed to achieve this yield while producing 10.0 g of KC7H5O2?
For a solution containing 0.0060 M calcium nitrate and 0.057 M nitric acid, calculate the activity of the calcium ion.
50.0 mL of a 1.70 M solution is diluted to a volume of 248 mL. A 124-mL portion of that solution is diluted using 185 mL of water. What is the final concentration
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Your metropolitan area has been warned by the EPA to lower sulfur dioxide and nitrogen oxide emissions or it will lose substantial federal funding. One citizen's group calls for conservation as a means of drastically reducing electricity consumption.
What is the osmotic pressure, in atm, of a solution formed by dissolving 17.2 g of AlCl3 in 0.588 L of water at 57.4 oC? (R = 0.0821 L-atm/mol-K; 0 oC = 273 K)
What is the pH of a solution in which 323 mL of HCl(g), measured at 26.8 degrees Celsius and 1.02 atm, is dissolved in 1.5 L of aqueous solution?
a student wants to dissolve the maximum amount of caf2 ksp 3.2 10-11 to make 1 liter of aqueous solution. a into
The gas receives 525 J of heat from its surroundings and does 428 J of work. What is its final internal energy?
draw the structure of the expected dichlorocarbene adduct of methyl methacrylate. another product could have been obtained. It is the chloroform adduct to the double bond (Michael type reaction). what would this structure look like.
A proton in a linear accelerator has a de Broglie wavelength of 139 pm what is the speed of the proton?
A 24.60 mL sample of 0.185 M HNO3 requires 27.35 mL of a KOH solution for complete neutralization in an acid-base titration. What is the molarity of KOH
Calculate the vapor pressure of water at 35 degrees Celsius given delta Hvap= 44.0 kJ/mol and the vapor pressure of water at 25 degrees Celsius is 23.8 torr
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