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1.2504 grams of X is dissolved in a 100mL of .05M sulfuric acid and diluted by a factor of a 100 with deionized water. What is the concentration of X
What volume of 6.00 M sodium hydroxide in milliliters must be diluted to 209.0 mL to make a 1.50 M solution of sodium hydroxide
A 0.00445 mol sample of a weak acid, HY, is dissolved in enough water to form 0.0976 L of solution. If the pH of the solution is 4.02, what is the Ka of HY? Use E notation with 3 significant figures.
Calculate the specific heat of molybdenum metal in {rm J/(g cdot ^circ C)}. The specific heat of water is 4.184{rm J/(g cdot ^circ C)}.
Calculate the initial pH, pH after addition of 20 mL HCl, pH after addition of 50 mL HCl, pH at the equivalence point, and pH after addition of 120 mL HCl.
Determine the energies of ten lowest energy levels for this system.
A cube of Al is needed to have the mass of 93.5. What must be the length of the cube's edge in cm?
The only thing that is supplied to you is 1M Tris (pH 6.8) and 1M NaCl. You have full access to all the deionized H2O you may need. Plus 3 M HCl, 40 g/mol of NaOH pellets, and a pH meter.
What is the final temperature of the water and pieces of metal?
a sample of gas is collected over water at a temperature of 35.0C when the barometer pressure reading is 742.) torr. What is the partial pressure of oxygen?
Magnesium sulfate can be obtained at a drugstore as Epsom salts. The monohydrate is found as the mineral kieserite (MgSO4 * H2O, 138 g/mol).
One mole of an ideal gas is contained in a cylinder with a movable piston. The temperature is constant at 74°C. Weights are removed suddenly from the piston to give the following sequence of three pressures.
A solution may contain any of the Group III cations. Treatment of the solutio with CIO- in alkaline medium yields a yellow solution and a colored precipitate.
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