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Zinc hydroxide,Zn (OH)2} Ksp = 4.1 10^{-17}, is nearly insoluble in water, but is more soluble in strong base because Zn^{2+}} forms the soluble complex ion Zn( OH )_4^{2-}} Kf = 3 10^{15}.
What is the molar solubility of Zn ( OH2} in 0.16 M} NaOH}?
calculate the de broglie wavelength of an electron in the ground state of the h atom. show that this wavelength is
given the equation 2C2H6(g)+7O2(g)->4CO2(g)+6H20(g) How many grams of oxygen are needed to react with 4.00 moles of C2H6?
What is the vapor pressure of each of the solution components in the mixture? What is the total pressure above the solution?
If the barometric pressure is 784 torr and the experiment is carried out at 25 oC, what is the pressure of the gas collected?
At 25 degrees the rate constant for the first order decomposition of a solution is .00640. If the starting concentration is .0314M, what will concentration will remain after 62.0 min at 25 degrees
A solution of potassium cyanide, KCN, instead of conc NH3 is added to copper(II) sulfate pentahydrate ([Cu(H2O4)]SO4.H20). Wrtie the formula of the expected complex ion.
calculate the molar concentration and the molarity of a sulfuric acid solution of density 1.198 g/mol,
Hydrogen chloride gas can be prepared by the following reaction: 2NaCl(s)+H2SO4(aq) 2HCl(g)+Na2SO4(s) How many grams of HCl can be prepared from 2.00 mol H2SO4 and 150g NaCl.
Calculate the vapor pressure of water above this solution at 338 K. The vapor pressure of pure water at this temperature is 0.2467 atm
a metal pellet of 100.0 g at 95.0 ordmc is dropped into 218 g of h2o at 23.8 ordmc. if the metal pellet has a heat
[NO2] = 0.65 M, [NO] = 7.2 × 10-8 M, and [N2O] = 0.048 M. What is the value of Kp for this reaction? Enter your answer in scientific notation.
how many grams of carbon dioxide are produced when 23.5 g of propanal react with excess oxygen in a combustion reaction
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