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You have a 4 L bottle of sulfuric acid solution. You take 50.0 mL of this H2SO4(aq) solution and titrate it to the endpoint with a 0.10 M NaOH solution. If the volume of NaOH solution needed is 60.0 mL, the concentration of the sulfuric acid (H2SO4) solution is
What would you use to prepare a buffer system with a pH of around 4.2. What would you use to make a buffer with a pH of around 9.2? Describe the process you used to choose the correct buffer for each pH.
the gas buret before the hydrogen gas is genterated and is not removed, will the reported percent aluminum in the sample be too high or too low?
determine the moles of product ( Fe for this reaction) made by both reagents. what is the limiting reagent?
if you titrated it with .233 M sodium hydroxide solution, and it took 8.33 ml of the base to neutralize the acid, what was the concentration of the nitric acid? Write the Neutralization reaction, balance it, NAME the products THEN solve the proble..
Four aldehydes and four hydrazines were used to explore hydrazone antibacterial activity in a combinatorial technique. How many reactions and antibiotic screenings would have been required to carry out this analysis in a non-combinatorial fashion?
The radius of a potassium atom is 235 pm. Determine the density of potassium in g/cm3.
Thermochemistry and Periodic Properties of Elements. State which atom is larger according to periodic trends. Explain the difference for each of the pairs.
calculate the theoretical yield and percentage yield of cyclohexene: cyclohexanol used- 20.0 ml cyclohexene obtained- 12.0 g
Explain why the one product is formed preferentially overthe other. What reaction inductions can you change to favor the formation of the minor product
What is the final volume V2 in milliliters when 0.508L of a 46.4% (m/v) solution is diluted to 23.6%(m/v).
To the organic chemist, infrared (IR) spectroscopy is especially useful in the determination of the structure of a new compound because it provides information about
What is the percent dissociation of ascorbic acid if the solution has a pH = 5.50 and a pKa = 4.10?
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