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Calculate the molar concentration of a thiosulfate solution from the following information:
A 30.00-mL aliquot of a 0.0254 M KIO3 solution is added to a flask containing 2 g of KI and 10 mL of 0.5 M H2SO4. The resulting solution is titrated to a starch endpoint with 20.77 mL of the thiosulfate solution.
A 1.00 L buffer solution is 0.150 M in HC7H5O2 and 0.250 M in LiC7H5O2. Calculate the pH of the solution after the addition of 100.0 mL of 1.00 M HCl. The Ka for HC7H5O2 is 6.5 x 10-5.
a gas mixture composed of helium and argon has a density of 0.727gl at a 755mmhg and 298k .what is the composition of
Diacetylferrocene, In the formation of diacetylferrocene, the product is always the one in which each ring is monoacetylated.
how many grams of potassium bromide are required to prepare 350 mL of a .200 M solution.
the transport of glucose from the intestine across the intestinal cell into the blood. Identify each step and their order by dragging the description into the appropriate box.
What was the highest alcohol density reported and what was the lowest alcohol density reported by the two students?
Calculate the cell potential for the following reaction as written at 69 °C, given that [Mg2 ] = 0.876 M and [Fe2 ] = 0.0160 M. Standard reduction potentials can be found here.
on a laboratory shelf was of undetermined concentration. If the pH of the solution was found to be 2.39, what was the original concentration of the acetic acid
The mass spec of a yellow, diamagnetic solid A, a neutral metal carbonyl, reveals a molecular ion peak of 390 amu. A fragmentation pattern consisting of sequential losses of 28 amu (CO) occured until m/z = 110 amu.
What are the products of a Diels-Alder reaction between 1mL (12mmol) of cyclopentadiene and 1.393g (12mmol) of fumaric acid? and what is the Theoretical Yield? please show calculations
A steam turbine receives a flow of 10,000 lb of steam per hour and delivers 500 kW in that period. Heat losses from the casing and the turbine bearings may be assumed neglible
Assuming the diver took a deep breath (6.0L in her lungs)at 1.0 atm just before entering the water, what will be the volume of air in her lungs when she gets to 10 feet of depth? She does not exhale while descending.
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