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Question- A solution is made by mixing 500mL of 50mM acetic acid (pKa = 4.74) and 500mL of 50mM sodium acetate. What is the pH of the resulting solution? pH=
My main issue is that I think I have to have a balanced reaction in order to do the calculations.
What is the average speed of the sprinter if A sprinter set a high school record in track and field, running 200. M in 22.0s .express your answer in kilometers per hour?
Calculate the number of moles of Cl atoms in 1.20×1024 of magnesium chloride, MgCl2.
An alcohol is 12.61 percent Hydrogen, 37.47 percent Carbon, and 49.92 percent Oxygen by mass. Determine the empirical formula of the alcohol.
Write the net ionic equation for the reaction between aqueous solutions of calcium chloride and sodium carbonate.
C5H12, 10.0 g hexane, C6H14 and 10.0 g benzene, C6H6. What is the mole fraction of hexane?
a sample of pure no2 is heated to 388c at which temperature it partially dissociates according to the
If the partial pressures of N2, O2 and NO at equilibrium are 1.5 atm, 2.5 atm and 0.75 atm respectively, what is the equilbrium constants
what is the density of an object having the mass of 8.09 an volume of 25
Calculate the amount of energy in kilojoules needed to change 423g of water ice at -10 deg c to steam at 125 deg c . The following constants may be useful:
Consider following cell. SCE stands for the saturated calomel reference electrode, which has a fixed potential of 0.244 volt.
Approximate the p binding energy for benzene the benzene cation, also the benzene anion. Must be in terms of a and ß.
Which of the available reagent(s), if any, will oxidize Fe(s) while leaving Cu(s) unreacted? If none of the available reagents can be used for this purpose, then identify another reagent from the table that could be used. For each reagent you've i..
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