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Question- How can I tell if by UV/VI graphs that a solution could have a ph of 5, 7 or 12? Do I look at the abosorbance because the wavelength of all of them are 511 nm
Please illustrate work if possible thanks
1nbspassuming that gasolineis pure octane c8h18 and has a density of0.703 gml how many liters of co2nbspgas will be
At room temperature benzoic acid dissolves in the less polar solvent, ether, but not very much in the more polar solvent, water. However, the deprotonated species, the benzoate ion, dissolves in water but not ether. What does this tell you about t..
nonionic solute in 50.0g of water. The solution freezes at -0.1455 degrees C. what is the molar mass of the solute?
liquid water at 0oc and atmospheric pressure has a density of 1 gcm3. at the same conditions ice has a density of .917
When calculating the density of your regularly shaped object, which measurement will limit your final result?
a student spots an unknown sample on a tlc plate and develops it in dichloromethane solvent. only one spot for which
The lattice energies of FeCl3, FeCl2, and Fe2O3 are (in no particular order) -2631 kJ/mol, -5339 kJ/mol, and -14,774 kJ/mol. Match the appropriate formula to each lattice energy.
Although the mechanism of the coupling process is not well understood, it is known that ratre appears to depend on the square of the concentration of the halide.
A flask containing 5.00ml of 3M HCI solution requires 14.45 mL of 1.00M NaOH for titration. How many moles of HCI are present in the solution. The density of 3M HCI is1.05 g/mL
Environmental engineers utilizes alkalinity as a measure of the capacity of carbonate buffering systems in water samples Alkalinity (mol/L)= [HCO3- ] + 2[CO32- ]+ [OH - ] + [H+]. Determine the alkalinity of a water sample that has a pH of 9.9,26.0..
The hydrogen atom isn't actually electronegative sufficient to form bonds to xenon. Were the xenon-hydrogen bond to exist, explain what would be the structure of XeH4
If 20 mL of 0.10 M NaOH are added to 30 mL of 0.20 M HOAc, what is the pH of the resulting solution? (Ka = 1.8 x 10-5 for HOAc)
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