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If 25.00 mL of 0.200 M HCl is titrated with 0.200 M NaOH, what is the pH of the solution after the addition of 22.50 mL of NaOH
when 45.0 grams of C2H6 are completely combusted, 60 grams of water are produced. Is the ethane pure?
Calculate pCu2+ at each of the following points in the titration of 50.0 mL of 0.001 M Cu 2+ with 0.001 M EDTA at pH 11.00 in a solution whose NH3 concentration is somehow fixed at 0.100 M: a) 45.0 mL b) 50.0 mL c) 55.0 mL
A patient needs 2.40×10-2 of a sulfa drug. There are 8.00 tablets in stock. How many tablets should be given?
calculate the pressure change needed to completely hydrogenate this substance at room temperature and 50 degrees celcius.
The resulting W3 was transferred to 500.0 mL of 1.00 M HCl. A 100.00 mL aliquot of the HCl solution required 10.13 mL of 0.08840 M potassium permanganate (KMnO4) to reach the purple endpoint. A blank required 0.18 mL. Determine the percent WO3 in ..
A brewery has a horizontal conveyor belt to transfer malted barley from a storage silo to the mash tun (the large vessel where the malted barley is steeped in hot water)
A buffer (pH 3.70) was prepared by mixing 1.00 mole of formic acid and 1.00 mole of sodium formate to form an aqueous solution with a total volume of 1.00 L. To 400 mL of this solution was added 50.0 mL of 1.00 M NaOH. What is the pH of this solut..
A sample of apple juice has a hydrogen ion concentration of 1.69 x 10^-6 M. Determine the pH of this sample
A 5.325g sample of methyl benzoate, a compound found in perfumes, was found to contain 3.758g of carbon, 0.316g of hydrogen, and 1.1251g of oxygen.
In a particular titration experiment a 25.0 mL sample of an unknown monoprotic acid required 30.0 mL of .200 M NaOH for the end point to be reached. What is the concentration of the acid?
The container is then heated to 339 K. If the final pressure is 1.75 atm, what was the initial pressure?
Draw the product formed when 3-chloro-2,2-dimethylpentane undergoes solvolysis in CH3CH2OH (ethanol).
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