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Consider the titration of 30.0 of 0.035 with 0.030 . Calculate the after the following volumes of titrant have been added.
Calculate the pH of a buffer solution that contains 0.25 M benzoic acid (C6H5COOH) and 0.15 M sodium benzoate (C6H5COONa). Ka= 6.5 x 10^-5 for benzoic acid. Please show your work for how you got this.
Use condensed structures to illustrate the 3 possible charged species and the one neurtral species that can exist in aqueous environments for the polar acidic acid of your choice. Indicate which conditions are present in each of the four drawings.
A wooden artifact from a Chinese temple has a activity of 43.3 counts per minute as compared with an activity of 58.2 counts per minute for a standard of zero age
Which one of these equations describes a redox reaction?
by referring to the figure determine the mass of each of the following salts required to form a saturated solution in
ephedrine is used as a bronchodilator and decongestant. phenobarbital is used as an anticonvulsant and sedative. what simple chemical test distinguishes these 2 medicines?
Determining the free ions of calcium on a similar sample of blood. recommend if the sample requires pretreatment or if it can be calculated directly In each case.
a chemist wishing to do an experiment requiring 47ca half-life 4.5 days needs 5.0 mg of the nuclide. what mass of
how many grams of dry nh4cl need to be added to 2.50 l of a 0.100 m solution of ammonia nh3 to prepare a buffer
An electric power station annually burns 3.0 x 10^7 kg of coal containing 2.4 percent sulfur by mass. Calculate the volume of SO2 emitted at STP.
For the following reaction: Fe(OH)2 + H3PO4 ----> Fe3(PO4)2 + H2O [Unbalanced] In a reaction, 3.20 g of Fe(OH)2 is treated with 2.50g H3PO4. If 3.62g of Fe3(PO4)2 is produced in the reaction, what is the percent yield for the reaction?
Report each to three significant figures in scientific notation. Given this data for the decomposition of urea in an acidic solution, calculate each of the following assuming Arrhenius behavior.
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