Determining the ph of a solution
Question: What is the pH of a solution containing 0.010 HCl plus 0.040 KClO4 with an activity coefficient of [H+] = 0.86?
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Consider the titration of 0.1000 M HBr with 0.1000 M KOH. Calculate the pH after 55.00 mL of the base has been added to 50.00 mL of the HBr solution
What is the strongest attractive force that must be overcome in order to do the following: a) melt pure solid phosphorus pentachloride b) boil pure liquid selenium tetrafluoride
For E-stilbene, draw the products you get if the bromine mechanism is syn addition (addition to the same side) and also what you get as products if the mechanism is anti addition.
The original molarity of a solution of formic acid (HCOOH) with a Ka= 1.7*10^-4 whose pH is 4.52 at equilibrium is: A. 8.52 *10^-9 B. 2.24*10^-4 C. 6.78*10^-3 D. 3.54*10^-5 E. 5.32*10^-7
In what approximate lcoation on a IR Spectrum would you expect to see one or two absorptions that distinguish 1-propanol
A 0.10 M solution of lactic acid, a monoprotic acid of formula HC3H5O3, was found to have a pH of 2.43. What is the value of Ka for the acid and the percent ionization?
Zinc reacts with 100. mL of 6.00 M cold, aqueous sulferic acid through single replacement. How many grams of zinc sulferic are produced? How many liters of hydrogen gas would be realeased at STP?
The extinction coefficient of a substance is 2.5 X 10^4L cm-1mol-1. You need to prepare a standard curve of this substance so that you have absorbance values of
NaCl(aq) + H2O(l) Cl2(g) + H2(g) + NaOH(aq) (b) How many moles of NaOH(aq) are formed in the solution in this process? _ moles of NaOH(aq) are formed.
Choose the most reasonable substance that fits the description in each case:a) Element with higher first ionization energy: Ba or Bi b) Larger ion: Mg2+ or Sr2+ c) Shorter bond length: N2H2 or N2H4
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