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Problem- A solution is prepared from 4.5709g of magnesium chloride and 43.246g of water. The vapor pressure of water above this solution is found to be 0.3630atm at 348.0 K. The vapor pressure of pure water at this temperature is 0.3804 atm.
Find the value of the van't Hoff factor i for magnesium chloride in this solution.
I am not able to determine the correct answer for the above question please helps me to get the correct answer
Explain how many oxygen atoms are present in 1.79 g of copper (II) sulfate pentahydrate. Molar mass = 249.70 g/mol.
the solubility of phthalic acid is water is 0.54g100 ml at14degc 18g100 ml at 100degc. how many ml of boiling water are
what are two structural features that allow soap molecule to work in either to have a good soap
Vapor pressure measurements at several different temperatures are shown below for mercury. Determine graphically the molar heat of vaporization for mercury.
describe each reaction and provide the name of all the chemical formula involved for each number.1.na2co3s sio2s -gt
Calculate the pH of the solution after the addition of 0.100 mL NaOH. The Ka for HC2H3O2 is 1.8x10^-5.
An object has a mass of 50.0g. When it is dropped into a graduated cylinder containing 15mL of water, the water level in the cylinder rises to 32mL.
Using the value of Ksp for Ag2S, Ka1 and Ka2 for H2s, and Kf=1.1x10 to the fifth for AgCl2, calculate the equilibrium constant for the following reaction:
For a particular redox reaction Cr is oxidized to CrO42- and Fe3 is reduced to Fe2 . Complete and balance the equation for this reaction in basic solution. Phases are optional.
Why would running an aldol reaction between benzil and dibenzyl ketone at a low temp furnish the product of a non conjugated 2,3,4,5-tetraphenylcyclopentadienone with two OHs in low yield?
What is the molecular weight of acetic acid that will form 2 moles of CO2 assuming complete combustion.
One mole of any gas has a volume of 22.414 L at STP. What are the densities of the following gases in g/L at STP
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