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Problem- potassium perchlorate, KClO4(s) is soluble in water to the extent of 0.70 grams per 100.0 ml at 0 degrees Celsius. What is the Ksp of KClO4 at 0 degrees Celsius? FW of KClO4 is 138.55.Please illustrate all steps so I can understand the problem. Thanks.
A solution of a specific vitamin has ?max = 273 nm and a concentration of 6.51 × 10-7 M. The absorbance of the solution at 273 nm is A = 0.180. What is the molar absorptivity of the vitamin at 273 nm? (sample pathlength = 1.00 cm)
Consider the decomposition of calcium carbonate. Assume that ?H° = 177.8 kJ/mol and ?S° = 160.5 J/K·mol for the temperature range.
Illustrate the arrowing pushing mechanism of Amyl acetate pentyl acetate being produced from acetic anhydride and pentanol utilizing Dowex 50 x 2 ion exchange resins as the acid catalyst. Encompass all formal charges, full structures along with ar..
Explain is the mass percent of a solution if 42.9 grams of aspirin is dissolved into 175mL of ethanol. Density of ethanol is 0.789 g/mL
What is the molarity of an aqueous solution containing 75.3 g of glucose (C6H12O6, mol wt = 180 g/mole) in 35.5 mL of solution
Calculate the change in pH when 6.00 mL of 0.100 M HCl(aq) is added to 100.0 mL of a buffer solution that is 0.100 M in NH3(aq) and 0.100 M in NH4Cl(aq).
Draw isotherms generated by this equation which are at the critical temperature, above the critical temperature, and below the critical temperature. Also, mark on the sketch the critical volume and the critical pressure for the gas.
In aqueous solution, the hydrated radius of hemoglobin is found to be 3.55 nm. How many water molecules hydrate a hemoglobin molecule?
phosgene c12c o has a smaller dipole moment then formaldehyde h2c o even though it contains electronegative chlorine
Depict the structure of the products that would be formed when cyclopentanol respond with p-toluenesulfonyl chloride, then base followed by KI.
identify organic compounds in medications. determine the structure of one active component and identify three functional groups on each molecule.
20.0ml of 0.150M Zn(NO3)2 are mixed with 20.0ml of 1.00 x10-4M Na2S. Calculate the amount of milligrams of ZnS (s) that will precipitate. (Ksp = 1.6 x10-24)
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