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Question- A 0.100 M aqueous solution of the base HB has an osmotic pressure of 2.83 atm at 25 degrees Celsius. Calculate the percent ionization
Any expert is able to provide answer for this problem in very short time
if 7.0 moles of sulfur atoms and 10 moles of oxygen molecules are combined to form the maximum amount of sulfur trioxide, how many moles of which reactant remain unused at the end?
A solution is made by combining 15.0 mL of 18.0 M acetic acid with 5.50 g of sodium acetate and diluting to a total volume of 1.50 L. Calculate the pH of the solution.
In your report be sure to compare and contrast the system you used in your investigation with the carbonic acid/carbonate buffer system in the blood.
If composite, define each simple sub-system and the internal restraint. If the vessel is shaken vigorously. Is the system then a simple or composite system?
Question- Please explain how the changing of the column temperature influences the separation of two compounds with similar retention times
Find the volume of 1M bromine solution that would completely react with 0.100 g of cholesterol. Show calculations.
For a solution having 1.00 x 10^-3 equivalents/L total alkalinity (contributions from HCO3-, CO32- and OH-) at [H+] = 4.69 x 10^-11, what is the percentage contribution to alkalinity from CO32-
A 15.0 grams lead ball at 25.0 celcius ws heated with 40.5 Joules of heat. Given the specifc heat of lead is 0.128 J/ grams. celsius, what is the final temperature of the lead?
Problem- Write a Lewis structure that obeys the octet rule for each of the following molecules or ions. Assign formal charges to each atom.
Write the Kb reaction of hypochlorite, OCT-. Given theat the Ka value for HOCl is 3.0x 10 ^-8 calculate Kb for OCL-
If you have unknown sample which either benzoic acid or 2-naphthol, describe a method to determine the identity of the unknown compund.
Use the mean value that you determined for Keq to calculate the SCN- concentration in a solution Fe3+ concentration was 4.00 X10-2M and initial SCN- concentration was 1.00 X10-3 M. Is all of theSCN- in the form ofFeNCS2+?
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