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Evaluate the pH of the subsequent solutions. In each case disregard the effects of ionic strength and assume that a(i)=c(i)(a) 1*103 M HNO3(b) 1*104 M KOH(c) 5*108 M HCl (careful this not as easy as it looks)(d) Correct the results in the problem for the effects of ionic strength as well as compare the results to your answers for that problem.
State whether you expect the following molecules to be polar or non-polar and arrange the molecules in increasing order of dipole moment.
A soln was prepeared by dissolving 5.6 g of non electrolyte substannce in 45 g of water. the freezing point depression was .8 C. what is the molecular weight of this substance
A solution is initially 0.050M in acetate, CH3COO- (Kb = 5.6 x 10^-10). 10.0mL of 0.10 M HCl is added. a) Write the chemical equation for the nuetralization reaction that occurs.
Calculate the change in temperature for 1.30 g of CaCl2 dissolved in 25.0mL of H2O. Assume that the calorimeter absorbs no heat.
Devise a synthetic strategy to transform 1-Bromobutane to heptane
The 2-chloro 2-methylbutane is dried with anhydrous sodium sulfate in this procedure. Could solid sodium hydroxide or potassium hydroxide be used for this purpose
Which of the following set of quantum numbers (ordered n, \ell, m_{\ell}, m_s) are possible for an electron in an atom
Many important drugs contain the amine functional group, which makes them basic. Many drugs also contain an amide group, which is effectively neutral. Suggest a way to separate ephedrine, a stimulant and decongestant drug shown below, from phenace..
An empty 5.00- flask is charged with 0.450g of pure H2S(g) , at 25 degrees celsius What is the initial pressure of H2S(g) in the flask
Calculate the percent ionization of nitrous acid in a solution that is 0.230 M in nitrous acid (HNO2) and 0.270 M in potassium nitrite (KNO2).
Consider the titration of 30.0 mL of 0.10M HClO (Ka=5.0x10^-5) with 0.095M KOH solution. Determine the pH at:
The formula of a complex formed by a reaction such as M + nX = MXn can be determined by the method of continuous variations. The absorbances of a series of solutions of varying composition are measured at the wavelength at which the complex shows ..
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