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What is the percent ionization of a solution made by adding 6.00 grams of CH3COOH to 100 g of water (Kb = 0.512 ?C/m) if the boiling point of the solution is 100.712 ?C? Answer in units of %.
A typical deposit of cholesterol, C27H46O, in an artery has a mass of 3.90 mg. How many molecules of cholesterol are present in this deposit?
Calculate the mass percent of a solution that is prepared by adding 32.2 g of NaOH to 262 g of H2O.
If 20.0 mL of 0.12 M cobalt(II) nitrate is reacted with 15.13 mL of 0.097 M sodium phosphate, which of the two reactants will be left over and which will be completely consumed.
Your metropolitan area has been warned by the EPA to lower sulfur dioxide and nitrogen oxide emissions or it will lose substantial federal funding. One citizen's group calls for conservation as a means of drastically reducing electricity consumption.
Consider the solubility information BaSO4 = 3.4 ×10 -4 g 100 g H2O at 20 ?C.Calculate the solubility-product constant Ksp
iF 0.80g of a gas occupies 295 mL at 25 degrees Celcius and 680 mm Hg of pressure, what is the molar mass of the gas.
calculate the ph of the solution that is 0.20M hydrofluoric acid and 0.040 M Lithium fluoride. the Ka for hydrofluoric acid is 3.5*10^-4.
If 0.90 mole of MnO2 and 48.2 g of HCl react, which reagent will be used up first?
How fast must a 50.2-g tennis ball travel to have a de Broglie wavelength equal to that of a photon of green light (5400 Å).
How many moles of Mg3N2 would be produced when 180.0 g of Mg reacts with 85.0 g of N2.
Which of the following correctly lists the following isomeric alkanes in order of increasing boiling point? n-hexane, 2,3-dimethylbutane, 2-methylpentane
The heat of solution of ammonium nitrate is 26.2 kJ/mol. If a 5.368 g sample of NH4NO3 is added to 40.0 mL of water in a calorimeter at 23.5°C, what is the minimum temperature reached by the solution.
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