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A mixture of Al and Zn weighing 1.67 g was completely dissolved in acid and evolved 1.69 liter of H2 at NTP . What was weight of Al in original mixture.
Not all Friedel-Crafts reacts require a strong Lewis acid catalysts to generate the electrophile for the substitution reaction. Show, using curved arrows, how the electrophile is generated from t-butanol in the presence of H2SO4
Acid Mixture Problem, From a full 50-liter container of a 40% concentration of acid, x liters is removed and replaced with a 100% acid.
What is the pH of a solution created by mixing 183 mL of a 0.94 NaHSO3 solution with 110 mL of a 1.12 M Na2SO3 solution
The fluorescence intensity for the diluted sample at 347.5 nm offers a reading of 245 on an arbitrary scale. A standard 100-ppm quinine solution registered 125 when measured under conditions identical to those for the diluted sample. Compute the m..
normally supplied in metal containers under pressure the fuel exists as a mixture of liquid and gas so high
How does this technique error affect the molar concentration of the KIO3 solution. Will the reported molar concentration of the standardized Na2S2O3 solution be too high, too low, or unaffected
How many times heavier than 12C is the average atom of this element?
Assume that patient blood lead levels are 0.600 mg/L that total blood volume is 5.0 L and that 1 mol of succimer binds 1 mol of lead.
Write balanced molecular equations for the complete neutralization of each of the acids with the base. Include physical states for all species. Acids: hydrochloric acid and sulfuric acid. Base sodium hydroxide.
Given a vapor pressure of toluene of 21 mm Hg, at 760 mm Hg, what is the equilibrium concentration for toluene
portion of that solution is diluted by adding 165 mL of water. What is the final concentration? Assume the volumes are additive.
A solution containing Pt4+ is electrolyzed with a current of 4.20 A. How long will it take to plate out 65% of the platinum in 0.50 L of a 0.010 M solution of Pt4+
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