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Calculate the potential at a platinum electrode in the titration of 50.0 mL of 0.100 M FeSO4 after addition of 7.00 mL of 0.0500 M KMnO4.
Calculate the pH during the titration of 100.0 mL of 0.200 M HCl with 0.400 M NaOH. First what is the initial pH (before any NaOH is added)? What is the pH after 31.9 mL of NaOH are added?
Calculate the % atom economy for the following two methods for converting benzene, C6H6, to aniline, C6H5NH2.
A student prepares a buffer by dissolving solid sodium acetate, NaCH3COO, in a solution of acetic acid, CH3COOH. Write the net ionic equation for the buffer system.
The effect of increasing molecular weight (size) on alcohol solubility in water. B. The effect of more alcohol groups on alcohol solubility in hexanes.
Calculate the energy of a photon emitted when an electron in a hydrogen atom undergoes a transition
Draw the lewis dot structure oxalate and for carbon dioxide. In terms of electronic structure, what happens when oxalate decomposes
A buffer contains 0.19 mol of propionic acid (C2H5COOH) and 0.22 mol of sodium propionate (C2H5COONA) in 1.20L. What is the pH of the buffer after the addition of 0.02 mol of HI
why differential pulse polarography is the most sensitive technique among the different modern types of polarography
when a blue copper(II)nitrate solution is mixed with a colorless solution of sodium sulfide
Gaseous hydrogen iodide is placed in a closed container at 425 degree celcius, where it partially decomposes to hydrogen and idine: 2HI(g)--->--->H2(g)+I2(g). At equilibrium it is found that (HI)=3.53*10^-3 M,(H2)=4.79*10^-4M, and (I2)=4.79*10^-4M..
what will the pH be after mixing the 100 ml of HCl solution and the solid NaOH together? Assume the addition of NaOH does not change the volume. (Molar Mass NaOH= 40.00 g/mole : Molar Mass HCl = 36.46 g/mole
The pH increased from 5.8, the normal pH of a cigarette , to pH 6.4 by addition of ammonia. How many moles of ammonia are required to produce this pH change per cigarette (volume approx. 5ml)?(Assume that no unprotonated ammonia will exist at pH 6..
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