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determine what concentration of OH - is needed to dissolve 0.015 mol of Zn(OH)2 zinc hydroxide in a liter of solution if it is given that The solubility product for Zn(OH)2 = 3.0 x 10-16. And The formation constant for the hydroxo complex, Zn(OH)42-, =4.6x1017
Find out the concentration of this solution in a)M (molarity), b) m (molality), c) % w/w (percent by mass). If solvent =, H 2 O.
Find the change in the fraction of visibility for a person from planet Krypton with x-ray vision in addition to visible spectrum.
To determine the number of molecules present in air using the ideal gas law and Avogadro's number - how many molecules of each type of gas are present in 1.0 L of air at STP?
Compute the free energy change needed for transport of sufficient protons to make gastric juice of 1 litter at the temperature of 37 degree celsius hence expect above reaction will happen spontaneously?
Radiation with a 58.4 nm of wavelength interacts with a H 2 (hydrogen atom)and induces the ejection of an electron then determine the kinetic energy of the departing electron express your answer in eV?
What is the molar heat of vaporiza-tion of C6H6 if the vapor pressure of C6H6 is 120 torr at 27 degree celsius, and its normal boiling point is 80.1 degree celcius.
Calculate how much heat is required to added or removed to convert 100.0 g of steam at 115 0C to liquid water at 65 0C?
Write equilibrium reaction for HNO 2 and compute equilibrium concentrations of all species, compute pH , OH - , and the pOH
Compute the composition of the crystals and the yield of the process. Also determine the composition of the mother liquor?
Calculate the pressure difference between CH4 and an ideal gas under these conditions. The van der Waals constants for CH 4 are a=2.300L2⋅atm/mol2 and b=0.0430 L/mol.
Calculate the Mn of the polyisobutene if A 7.5g polymer sample found to discolor 3.4 mL of a 0.05 M solution of Br in CCl4 ?
Determine which ion will precipitate first and at what concentration of sulfate ion will the first precipitate begin to form?
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