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Express the concentration of a 0.0620 M aqueous solution of fluoride, F-, in mass percentage and in parts per million. Assume the density of the solution is 1.00 g/mL.
An aqueous solution of trichloroacetic acid, that is 2.00 percent by weight trichloroacetic acid, has a density of 1.0083 g/mL. A student determines that the freezing point of this solution is -0.382 oC.
Suppose an additional gaseous component, e.g. helium, is pumped into the system, keeping the volume of the container fixed, until the final pressure is 100 atm. Assume that the helium does not dissolve in water but remains pure. Assume water is in..
A phosphorous acid buffer needs to be prepared to a pH of 5.92; given a 120mL solution of 25mM phosphorous acid, how many milliliters of either 0.5M KOH or 0.4M HCl will need to be added
A flask that can withstand an internal pressure of 2525 torr, but no more, is filed with a gas at 21.0°C and 758 torr and heated. At what temperature will it burst?
What is the [H30+] and the pH of a benzioc acid-benzoate buffer that consists of 0.17 M C6H5COOH and 0.26 M C6H5COONa? (Ka of benzoic acid = 6.3*10^-5)
Consider the titration of a 25.0 mL sample of .125M RbOH with .105M HCl. Find the initial pH.
What is the product of the reaction of 2-methycyclohexanol under acidic conditions? The answer is not 2-methylcyclohexene.
The density of the resulting solution is 1.12g/mol. What is the molarity of the solution?
On the coldest day of last year, what was the temperature at the bottom of Lake Michigan? explain your answer in terms of the density of water.
what are the rates of production of P4 and H2 in this experiment?
EDTA solution to reach the end point in a titration. What mass (in milligrams) of CaCO3 (FW = 100.09 g/mol) will react with 1.85 mL of the EDTA solution?
Sulfur is used to crosslink isoprene (C5H8) units in naturally occurring rubber to make vulcanized rubber, which is a harder material. If it takes 4 sulfur atoms to form a crosslink with 1 isoprene unit
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