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You are asked to go into the lab and prepare an acetic acid-sodium acetate buffer solution with a pH of 4.40 ± 0.02. What molar ratio of CH3COONa (conjugate base) to CH3COOH (weak acid) should be used?
Calculate the pH and the percent ionization of butanoic acid in this solution. *I will only award points if a solution is presented. What good does just the answer do for me?
given that 24.0ml of 0.170 m sodium iodide reacts with 0.209m mercuryii nitrate solution according to the unbalanced
A 400ml sample of gas at 10 degrees celsius is warmed to 25 degrees celcius at a constant pressure. Calculate the final volume.
A solution is prepared by mixing 77.0 mL of 5.00 M HCl and 11.0 mL of 8.00 M HNO3. Water is then added until the final volume is 1.00 L. Calculate [H+], [OH -], and the pH for this solution.
Write a balanced chemical equation for the decomposition of limestone, CaCO3, to quicklime, CaO, and carbon dioxide.
The reaction is first order and has a rate constant of 6.2 ? 10-5 /s at 35?C when the H+ concentration is 0.10 M. Suppose that the initial concentration of sucrose in the solution is 0.40 M. How many minutes will it take for the sucrose concentrat..
Write the half-reactions for the silver-silver chloride and calomel reference electrodes.
Calculate the VOLUME (mL) of liquid H2O formed if the reaction goes to completion and you condense the water vapor.
Both pieces are placed inside a calorimeter whose heat capacity is negligible. What is the final temperature inside the calorimeter
Describe how you can use titration to determine the molar mass of an unknown acid, by giving a specific example and showing a sample calculation.
Calculate the mass of lead [0.0308 {\rm cal}/({\rm g} \times^\circ {\rm C})] that releases 53.5cal as the metal cools from 36.0^\circ C to 25.2^\circ C. If the initial temperature is 28.9^\circ C, what is the final temperature
added 5 mL of 0.10 M H2SO4 instead of 5mL 0.10 M of HCl calculate the ph of the solution using henderson-hasselbalch
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