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Acetic acid is a weak monoprotic acid. it is the active ingredient in vinegar. if the initial concentration of acetic acid is .200 M and the equilibrium concentration of h3o+ is .0019 M, calculate Ka for acetic acid.
How many litres of NO are produced at STP when 162 g Ag reacts with excess HNO3
20.0ml of 0.150M Zn(NO3)2 are mixed with 20.0ml of 1.00 x10-4M Na2S. Calculate the amount of milligrams of ZnS (s) that will precipitate. (Ksp = 1.6 x10-24)
What volume of ethanol must be diluted with water to prepare 308 mL of 0.700 M solution?The density of ethanol is given as 0.789 g/mL.
When 31.7mL of 0.235M Potassium hydroxide is required to completely neutralize 26.0mL of a HC 2 H 3 O 2 solution, calculate the molarity of the acetic acid solution.
Detremine the volume of CO2 produced at the temperature of 23 degree celsius and pressure of 0.985atm?
Assume that the kinetic energy of a 1500kg car moving at 95 km/h can be converted entirely into heat. What amount of water could be heated from 20 C to 50 C by the car's energy?
Find out How many grams of gasoline will fill a 12.5gal tank if a particular brand of gasoline has the density of 0.737 g/mL at the temperature of 25 degree Celsius?
Calculate the fraction of Fluorine atoms at 1000 K in each of the first three electronic levels based upon the following data
Critical constants of a gas with van der Waals parameters, Estimate the critical constants of a gas with van der Waals parameters
Estimate the average spacing between water molecules in liquid water by making use of 2 pieces of information: (a) liquid water has a density of 1 g/cm^3
Suppose you have 0.001 M solution of a dye with pka of 7.2. from the color, concentration of protonated form is found to be 0.0002 M. Assume remainder of the dye is in the deprotonated form. What is the pH of the solution?
A synthetic organic chemist wants to make 100.0 grams of benzoyl chloride C7H5OCl from benzoic acid C7H6O2 in the following reaction.
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