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High altitude balloons used by environment Canada to measure O3 levels in the atmosphere also use a similar idiometric titration where the iodine liberated is measured by back titration with sodium thiosulfate. In this case the iodine is generated by oxidation of iodide by ozone:
03 + 2I + 2H? I2 + O2 + H2O
If 10 000 L of air were bubbled through an acidic iodide solution (at stp) and was then back titrated with 19.4mL of a 1.2 x 10-4 M Na2S2O3 solution to reach equivalence, what is the concentration of ozone in that sample of air (in ppm)
100.0 mL of 0.400 M CoCl2(aq) is mixed with 100.0 mL of 1.600 M NaOH. Determine the moles of precipitate which form, and the molarity of each ion (including spectator ions) after the precipitation process is complete.
which of the following reduces the solubility of calcium fluoride?a presence of uncommon ions such as na and cl-b
A mixture of benzene and styrene is fed at a rate of 100 mol/min to a flash tank operating at 25'C. The flash produces equal flows of gas and liquid, with the liquid phase being 95% pure.
An airplane is pressurized to 650 {rm mm,Hg}, which is the atmospheric pressure at a ski resort at 1.30×104 {rm ft} altitude. If the partial pressure of oxygen drops below 100 {rm mm,Hg}, passengers become drowsy.
If the mass of water surrounding the calorimeter was exactly 1000 g and the heat capacity of the bomb calorimeter was 1.75 kJ/°C, calculate the molar heat of combustion of liquid methanol .
what is the freezing point in celsius of a solution prepared by dissolving 6.20 g of mgcl2 in 110 g of water? the value
Construct a microstate table for a np3. I know that the # of microstates is going to be 6!/(3!(3!))= 20 microstates. really sure how to go about setting up a microstate table, could someone please explain
a colored substance z has an absorption maximum at 350 nm. a solution containing 2 mg of z per liter had an absorbance
Draw the reaction scheme (with arrows) of the Diels Alder rxn between maleic anhydride and furan. draw both the endo and exo adducts
The Environmental Protection Agency has estimated that 119 tons of mercury are currently emitted to Earth's atmosphere annually due to human activities
a compound contains 10.13g of c and 89.87g of cl. determine both the empirical and molecular formulas of the compound
determine what concentration of oh - is needed to dissolve 0.015 mol ofnbspznoh2 zinc hydroxide in a liter of solution
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