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What volume, in Ml of a 1.20 M HCL solution must be diluted in order to prepare 1.00 L of 0.0150 M HCL
find the of X-281, you prepare a 0.075 test solution of X-281. The pH of the solution is determined to be 3.00. What is the of X-281?
Ba(NO3)2 is 20.92 mass % chlorine, and a 1.000 g sample of the mixture in 500.0 mL of aqueous solution at 25 C has an osmotic pressure of 744.7 mm Hg. What are the mass percents of KCl, KNO3, and Ba(NO3)2 in the mixture?
what will heating tert-butyl chloride with 1.oM NaOH in a mixture of water and methanol yeild?
What would the pH at the half-equivalence point be for the first ionization of the triprotic acid phosphoric
A voltaic cell consists of Ni/Ni2+ and Co/Co2+ half-cells containing equal volumes of solutions with the following initial concentrations: [Ni2+] = 0.80 M; [Co2+] = 0.20 M.
When HSCN is added, you expect that the equilibrium will shift to the right and the reaction mixture will become darker (more orange).
To get an estimate of the number of beans in the jar you weigh six beans and obtain masses of 3.15, 3.12, 2.98, 3.14, 3.02, and 3.09 g . Then you weigh the jar with all the beans in it, and obtain a mass of 2082g . The empty jar has a mass of 6..
Each molecule can also be in one of two orientations. What is the entropy of this system of molecules in boxes with two possible orientations.
How would the results differ if you added sodium p-toluate instead of p-toluic acid to the two-layer mixture of tert-butyl methyl ether and water
The organic solvent pyridine, C5H5N (aq) is a base with a strong irritating odor. Calculate the pH of a 0.300 M aqueous solution of PYRIDINe at 25 degrees Celcius.
Calculate the energy of a photon emitted when an electron in a hydrogen atom undergoes a transition
Indicate the kind of hybridization (sp, sp2, sp3) you expect for each carbon atom in the following molecule. Why does each carbon atom have that hybridization?
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