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A) What is the buffer solution? What characteristics make this solution a buffer solution?
B) Added to the solution in one flask is 0.15 mol KHSO4 (s). What is the effect on [CH3COOH] and [CH3COO-]? Account for your answer in terms of numbers of moles of protons transferred. Has the capacity of the buffer been exceeded? Explain.
C.) Added to the solution in one flask is 0.40 mol NaOH (s). What is the effect on [CH3COOOH] and [CH3COOH-]? Account for your answer in terms of moles of protons transferred. Has the capacity of the buffer been exceeded? Explain.
Write a net ionic equation to explain why the pH didn't go up to about 10, as it would have if that amount of NaOH were added to distilled water or to 20ml 0.00040 M HCL, which also would have a pH of 3.40
Name the highly volatile liquid may cause grave danger to The Environmental Health & Safety and Fire Safety professionals at happening scenes as its vapor
Draw the structural formula for ethanol, 2-propanol and 2-methyl2-propanol. Write the reaction between sodium bicarbonate and benzoic acid.
A voltaic cell consists of a Hg/Hg2^2+ electrode(E degrees=0.85V) and a Sn/Sn^2+ electrode(E degrees=-0.14V). Calculate[Sn^2+]if [Hg2^2+]=0.36 M and Ecell=1.04V at 25 degrees C.
Which of the following involve an increase in the entropy of the system?
what is the percent by mass of a solution on made by dissolving 163 grams of table sugar in 755 grams of water.
Draw the structural formula of Val-Ala-Leu. Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all hydrogen atoms
What is the wavelength of these radio transmissions in meters (m)? Once you have your answer, determine the log (base 10) of it and enter that value to 3 decimal places.
How many grams of are CaH2 needed to generate 147L of H2 gas if the pressure of H2 is 827 torr at 20 C?
What is the pressure exerted in the closed end of an apparatus if the atmospheric pressure is 720 torr and the height of the water column is 22.3 cm?
160 mL that contains 400 mg of NH3 and 980 mg of NH4NO3. (Given: Kb (NH3) = 1.8 x 10-5
The annual production of zinc sulfide (ZnS) is 4.0 x 10^4 tons. Estimate the number of tons of SO2 produced by roasting it to extract zinc metal.
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