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Concentrated hydrochloric acid is 37.5% HCL by mass as well as has a density of 1.205g*cm^-3. Explain what volume in Ml of concentrated hydrochloric acid must be used to prepare 10.0l of 0.7436m HCL(aq)?
Calculate the vapor pressure of water, in torr, above a solution prepared by dissolving 65.40 g of ZnCl2 in 445.0 g of water at 323.0 K. The vapor pressure of pure water at 323.0 K is 92.50 torr.
a 1.0 ounce piece of chocolate contains 15 of caffeine and a 6.0 ounce cup of regular coffee contains 105 of
A container of nitrogen gas has a volume of 82.0 L at a temperature of 303 K. If the container is heated to a temperature of 369 K while remaining at constant pressure, what is the new volume of the gas
Acetonitrile CH3CN is a polar organic solvent that dissolves a wide range of solutes, including many salts. The density of a 1.90 M LiBr solution in acetonitrile is 0.827 g/cm3
Write an equation of the dissolution reaction for each of the precipitates that was soluble in CH3COOH. Al2(SO4)3+NaOH
indicate whether the process is always spontaneous, never spontaneous, spontaneous at high temperature or spontaneous at low temperature.
A gaseous fuel mixture stored at 743mmHg and 298 K contains only methane and propane. When 11.8 L of this fuel mixture is burned, it produces 767 kJ of heat. what is the mole fraction of methane in the mixture
A copper, Cu(s), electrode is immersed in a solution that is 1.00 M in ammonia, NH3, and 1.00 M in tetraamminecopper(II), [Cu(NH3)4]^{2+}. If a standard hydrogen electrode is used as the cathode, the cell potential, Ecell, is found to be 0.081 V a..
How many minutes will it take to electroplate 46.1 g of gold by running 5.00 A of current through a solution of Au+(aq)? Express your answer to three significant figures and include the appropriate units.
A student weighs 0.12311 g of na2co3 and dissolves it in 50.0 ml of water in an erlenmeyer flask. how many moles of hcl will be needed to reach the end point of titration
Compare the proposed reaction mechanism for the sodium hypochlorite oxidation of cyclohexanol with that involved in the chromic acid oxidation. Do you notice any similarities
190 ml of an hcl solution with ph of 2.60 is added to 200 ml of an hno3 solution. the resulting ph is 1.40. what was
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