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Your friend gives you a bottle that contains eitherhydrochloric, sulfuric or phosphoric acid. She also tells you the concentration of the acid in the bottle is0.2312 M. To determine the identity of the acid you titrate 25.00 ml of the acid with 36.95 ml of a 0.3126 MNaOH solution. Which of the three acids is in the bottle?
How many mL of 0.525M calcium chloride are needed to obtain 5.00x10 22 chloride ions.
How many grams of lithopone are produced in the reaction of 315ml of 0.275M ZnSO4 and 285 ml of 0.315M BaS?
Describe the technique you would use to determine the density of approximately 5 gram samples of the following at 20 degrees celcius and 1 atmosphere pressure
What force keeps the gases of the earth's atmosphere from diffusing into interplanetary space, where the pressure is essentially zero?
what is the max amount of fructose that can be added to 1.5 kg pure water and still have the solution freeze?
What is the wavelength (in meters) of photons with the following energies? In what region of the electromagnetic spectrum does each appear? given 90.5KJ/mol
The average molecular speed in a sample of CH4 gas is 641 m/s at 311 K. The average molecular speed in a sample of He gas is ________ m/s at the same temperature.
Its value has been accurately determined to be 3226.7 KJ/m. When 3.0285g of benzoic acid are burned in a calorimeter, the temperature rises 3.84 degrees Celsius. What is the heat capacity of the bomb
How long will it take for a signal to travel that distance assuming that the speed of light in the cable is the same as in a vacuum?
Calculate the pH of a 100 ml solution containing 1.00 g of imidazole (FM 68.08) and 1.00 g imidazole hydrochloride (FM 104.54). pKa of imidazole is 6.993. How many ml of 1.07 M HClO4 should be added to 1.00 g of imidazole to give a pH of 6.993
Pure alpha-D-glucose has a specific rotation=+112.2 degrees and pure beta-D-glucose has a specific rotation=+18.7 degrees. What is the composition of a sample of a mixed alpha and beta-D-glucose that has a specific rotation=+83.0 degrees?
imagine that you are an environmental scientist. working in collaboration with a university chemist you were able to
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