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The Ka for hydrofluoric acid is 7.1x10^-4. The percent ionization of hydrofluoric acid at a concentration is 0.43 mol/L is _____? Note: looking for percent numbers since we're doing percent ionization stuff.
Predict whether each of the following should form a normal or inverse spinel (hint: think about CFSE's): MgV2O4, VMg2O4, NiGa2O4, ZnCr2S4, NiFe2O4, Mn3O4, Fe3O4
What's the volume of pure hydrogen present in a sample of 55.0 mL of gas saturated with water vapour at 27 °C, if the total pressure is 104.8 kPa?
The mass of a golf ball is 45.9 G . If it leaves the tee with a speed of 65.0 M/S, what is its corresponding wavelength
By how many volts will the potential of an ideal Mg+2 ion selective electrode change if the electrode is removed from a 1 x 10-4 M MgCl2 solution and replaced with a 1 x 10-2 M MgCl2 solution
Explain why wet hair placed in curlers that is allowed to dry tends to retain the shape of the curl.
Consider a solution containing 3.70 mM of an analyte, X, and 1.99 mM of a standard, S. Upon chromatographic separation of the solution peak areas for X and S are 3979 and 10035, respectively.
Concentrated sulfuric acid has a concentration of 18 M. How much concentrated sulfuric acid would be needed to make 255 mL of 1.0 M sulfuric acid?
12.0 moles of gas are in a 6.00 tank at 20.3. Calculate the difference in pressure between methane and an ideal gas under these conditions. The van der Waals constants for methane are a=2.300 L^2*atm/mol^2 and b=0.0430 L/mol .
Write down a lewis structure for SbCl5 and also explain Does the the octet rule is obeyed by this molecule Explain how many grams would 3.01 * x10 23 atoms of tellurium have?
When cyclopentane is exposed to Br2 in the presence of light, reaction occurs. Write the formulas of all possible monobromination products. Draw molecule by placing atoms on grid.
If a student finds the molecular weight of an unknown liquid to be 145 g/mole and the molecular formula of the liquid is CHCL3, what is the percent error in the molecular weight
The concentration of SO2 is .0000044; what is the concentration in PPM
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