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A 0.588 gram sample of a metal, M, reacts completely with sulfuric acid according to: M(s) + H2SO4(aq) ----> MSO4(aq) +H2(g). A volume of 267 mL of hydrogen is collected over water; the water level in the collecting vessel is the same as the outside level. Atmospheric pressure is 756.0 Torr and the temperature is 25 degrees C. Calculate the atomic mass of the metal.
Write the structure of the organic product resulting from the reaction of basic KI/I2 reagent with 2-butanone. 5. What should be done with the waste from the chronic acid reagent? What should be done with excess reagent?
69.7 grams of a solute with a molecular mass of 2790 grams are dissolved in enough water to make 1.00 dm(3) of solution at 20 degrees C. What is the osmotic pressure of the solution? express your answer in kPa
Produce MnO2 (s) and Oxygen gas. Balance the equation for the oxidation of hydroperoxide ion to O2 (g) by permanganate ion in a basic solution.
Given a pure preparation of these algae, and the required supplies and equipment, devise and outline an empirical procedure for purifying Enzyme X.
During a titration, the following data were collected. A 25 mL portion of a solution of an unknown monoprotic acid was titrated with 1.0 M NaOH(aq).
How many mL of medicine X would you need to give a 100 g dose?
A titanium bicycle frame contains the same amount of titanium as a titanium cube measuring 6.6cm on a side. 1) Use the density of titanium to calculate the mass in kilograms of titanium in the frame.
A gas expands and does P-V work on the surroundings equal to 327 J. At the same time, it absorbs 121 J of heat from the surroundings. Calculate the change in energy of the gas.
In this experiment you will measure the heat of combustion (delta Hc) of naphthalene. Report the values of the following: Cv, the heat capacity of the system.
The overall Kf for complex ion Ag(NH3_x+ is 1.7 x 10^7. The Ksp for AgI is 1.5 x 10^-16. What is the molar solubilitiy of AgI in a solution that is 2.0 M in NH3?
Determine the mass of a mixture of 1.33x10^24 formula units of Sodium sulfate, 1.500 moles of Water and 3.77g of silver chloride?
How many milliliters of 6 M HNO3 would you add to 300 mL of the buffers solution to change the pH from 5.09 to 5.03?
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